merhaba arkadaşlar php de bir modalin içinde ki forma php kodlarını entegre ettikten sonra modalın butonuna tıkladıktan sonra modal açılmamaya başladı nerede hata yaptığımı bulamıyorum.
yardım lütfen
<div class="modal fade" id="kt_modal_create_app" tabindex="-1" aria-hidden="true">
            <div class="modal-dialog modal-dialog-centered mw-900px">
                <div class="modal-content">
                    <div class="modal-header">
                        <h2>Firma Ekle</h2>
                        <div class="btn btn-sm btn-icon btn-active-color-primary" data-bs-dismiss="modal">
                            <i class="ki-duotone ki-cross fs-1">
                                <span class="path1"></span>
                                <span class="path2"></span>
                            </i>
                        </div>
                    </div>
                    <div class="modal-body py-lg-10 px-lg-10">
                        <div class="stepper stepper-pills stepper-column d-flex flex-column flex-xl-row flex-row-fluid" id="kt_modal_create_app_stepper">
                            <div class="d-flex justify-content-center justify-content-xl-start flex-row-auto w-100 w-xl-300px">
                                <div class="stepper-nav ps-lg-10">
                                    <!--begin::Step 1-->
                                    <div class="stepper-item current" data-kt-stepper-element="nav">
                                        <div class="stepper-wrapper">
                                            <div class="stepper-icon w-40px h-40px">
                                                <i class="ki-duotone ki-check stepper-check fs-2"></i>
                                                <span class="stepper-number">1</span>
                                            </div>
                                            <div class="stepper-label">
                                                <h3 class="stepper-title">Firma İsmi</h3>
                                                <div class="stepper-desc">İsim ve Kategorilendirme</div>
                                            </div>
                                        </div>
                                        <div class="stepper-line h-40px"></div>
                                    </div>
                                    <!--begin::Step 2-->
                                    <div class="stepper-item" data-kt-stepper-element="nav">
                                        <div class="stepper-wrapper">
                                            <div class="stepper-icon w-40px h-40px">
                                                <i class="ki-duotone ki-check stepper-check fs-2"></i>
                                                <span class="stepper-number">2</span>
                                            </div>
                                            <div class="stepper-label">
                                                <h3 class="stepper-title">Firma Bilgileri</h3>
                                                <div class="stepper-desc">Açıklama ve Ücretlendirme</div>
                                            </div>
                                        </div>
                                        <div class="stepper-line h-40px"></div>
                                    </div>
                                    <!--begin::Step 3-->
                                    <div class="stepper-item" data-kt-stepper-element="nav">
                                        <div class="stepper-wrapper">
                                            <div class="stepper-icon w-40px h-40px">
                                                <i class="ki-duotone ki-check stepper-check fs-2"></i>
                                                <span class="stepper-number">3</span>
                                            </div>
                                            <div class="stepper-label">
                                                <h3 class="stepper-title">Firma Resimleri</h3>
                                                <div class="stepper-desc">Görsel ve Açıklama</div>
                                            </div>
                                        </div>
                                        <div class="stepper-line h-40px"></div>
                                    </div>
                                    <!--begin::Step 4-->
                                    <div class="stepper-item" data-kt-stepper-element="nav">
                                        <div class="stepper-wrapper">
                                            <div class="stepper-icon w-40px h-40px">
                                                <i class="ki-duotone ki-check stepper-check fs-2"></i>
                                                <span class="stepper-number">4</span>
                                            </div>
                                            <div class="stepper-label">
                                                <h3 class="stepper-title">İletişim</h3>
                                                <div class="stepper-desc">Firmanın İletişim Bilgileri</div>
                                            </div>
                                        </div>
                                        <div class="stepper-line h-40px"></div>
                                    </div>
                                    <!--begin::Step 5-->
                                    <div class="stepper-item mark-completed" data-kt-stepper-element="nav">
                                        <div class="stepper-wrapper">
                                            <div class="stepper-icon w-40px h-40px">
                                                <i class="ki-duotone ki-check stepper-check fs-2"></i>
                                                <span class="stepper-number">5</span>
                                            </div>
                                            <div class="stepper-label">
                                                <h3 class="stepper-title">Tamamlandı</h3>
                                                <div class="stepper-desc">Kayıt Ekleme Tamamlama</div>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            <!--begin::Aside-->
                                    
                            <?php
                            $firma_ismi = isset($_POST['firma_ismi']) ? $_POST['firma_ismi'] : null;
                            $firma_turu = isset($_POST['firma_turu']) ? $_POST['firma_turu'] : 1;
                            $firma_aciklama = isset($_POST['firma_aciklama']) ? $_POST['firma_aciklama'] : null;
                            $firma_kategori = isset($_POST['firma_kategori']) ? $_POST['firma_kategori'] : null;
                            $firma_paket = isset($_POST['firma_paket']) ? $_POST['firma_paket'] : null;
                            $paket_ucreti = isset($_POST['paket_ucreti']) ? $_POST['paket_ucreti'] : null;
                            $firma_resmi1 = isset($_POST['firma_resmi1']) ? $_POST['firma_resmi1'] : null;
                            $firma_resmi2 = isset($_POST['firma_resmi2']) ? $_POST['firma_resmi2'] : null;
                            $firma_resmi3 = isset($_POST['firma_resmi3']) ? $_POST['firma_resmi3'] : null;
                            $firma_resmi4 = isset($_POST['firma_resmi4']) ? $_POST['firma_resmi4'] : null;
                            $firma_ana_resmi = isset($_POST['firma_ana_resmi']) ? $_POST['firma_ana_resmi'] : null;
                            $firma_telefon = isset($_POST['firma_telefon']) ? $_POST['firma_telefon'] : null;
                            $firma_whatsapp = isset($_POST['firma_whatsapp']) ? $_POST['firma_whatsapp'] : null;
                            $firma_mail = isset($_POST['firma_mail']) ? $_POST['firma_mail'] : null;
                            $firma_adres = isset($_POST['firma_adres']) ? $_POST['firma_adres'] : null;
                            $firma_maps = isset($_POST['firma_maps']) ? $_POST['firma_maps'] : null;
                            $sorgu = $db->prepare('INSERT INTO firmalar SET
                            
                            firma_ismi = :firma_ismi,
                            firma_turu = :firma_turu,
                            firma_aciklama = :firma_aciklama,
                            firma_kategori = :firma_kategori,
                            firma_paket = :firma_paket,
                            paket_ucreti = :paket_ucreti,
                            firma_resmi1 = :firma_resmi1,
                            firma_resmi2 = :firma_resmi2,
                            firma_resmi3 = :firma_resmi3,
                            firma_resmi4 = :firma_resmi4,
                            firma_ana_resmi = :firma_ana_resmi,
                            firma_telefon = :firma_telefon,
                            firma_whatsapp = :firma_whatsapp,
                            firma_mail = :firma_mail,
                            firma_adres = :firma_adres,
                            firma_maps = :firma_maps
                            ');
                            $ekle = $sorgu->execute([
                                ':firma_ismi' => $firma_ismi,
                                ':firma_turu' => $firma_turu,
                                ':firma_aciklama' => $firma_aciklama,
                                ':firma_kategori' => $firma_kategori,
                                ':firma_paket' => $firma_paket,
                                ':paket_ucreti' => $paket_ucreti,
                                ':firma_resmi1' => $firma_resmi1,
                                ':firma_resmi2' => $firma_resmi2,
                                ':firma_resmi3' => $firma_resmi3,
                                ':firma_resmi4' => $firma_resmi4,
                                ':firma_ana_resmi' => $firma_ana_resmi,
                                ':firma_telefon' => $firma_telefon,
                                ':firma_whatsapp' => $firma_whatsapp,
                                ':firma_mail' => $firma_mail,
                                ':firma_adres' => $firma_adres,
                                ':firma_maps' => $firma_maps
                            ]);
                            if($ekle){
                                echo 'veriler Başarıyla Eklendi';
                            }else{
                                echo 'veriler Eklenemedi';
                            }
                            ?>


                            <!--begin::Content-->
                            <div class="flex-row-fluid py-lg-5 px-lg-15">
                                <form class="form" novalidate="novalidate" id="kt_modal_create_app_form" method="POST" enctype="multipart/form-data">
                                    <!--begin::Step 1-->
                                    <div class="current" data-kt-stepper-element="content">
                                        <div class="w-100">
                                            <div class="fv-row mb-10">
                                                <label class="d-flex align-items-center fs-5 fw-semibold mb-2">
                                                    <span class="required">Firma İsmi</span>
                                                    <span class="ms-1" data-bs-toggle="tooltip" title="Firmanın İsmini Giriniz">
                                                        <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                            <span class="path1"></span>
                                                            <span class="path2"></span>
                                                            <span class="path3"></span>
                                                        </i>
                                                    </span>
                                                </label>
                                                <input type="text" class="form-control form-control-lg form-control-solid" name="firma_ismi" placeholder="" value="" />
                                            </div>
                                            <div class="fv-row">
                                                <label class="d-flex align-items-center fs-5 fw-semibold mb-4">
                                                    <span class="required">Firma Türü</span>
                                                    <span class="ms-1" data-bs-toggle="tooltip" title="Firmanın Türünü Seçiniz">
                                                        <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                            <span class="path1"></span>
                                                            <span class="path2"></span>
                                                            <span class="path3"></span>
                                                        </i>
                                                    </span>
                                                </label>
                                                <!--begin:Options-->
                                                <div class="fv-row">
                                                    <label class="d-flex flex-stack mb-5 cursor-pointer">
                                                        <span class="d-flex align-items-center me-2">
                                                            <span class="symbol symbol-50px me-6">
                                                                <span class="symbol-label bg-light-primary">
                                                                    <i class="ki-duotone ki-compass fs-1 text-primary">
                                                                        <span class="path1"></span>
                                                                        <span class="path2"></span>
                                                                    </i>
                                                                </span>
                                                            </span>
                                                            <span class="d-flex flex-column">
                                                                <span class="fw-bold fs-6">Kurumsal Firma</span>
                                                                <span class="fs-7 text-muted">Limited veya Anonim Şirketi Olan Firmalar</span>
                                                            </span>
                                                        </span>
                                                        <span class="form-check form-check-custom form-check-solid">
                                                            <input class="form-check-input" type="radio" name="firma_turu" value="1" />
                                                        </span>
                                                    </label>
                                                    <!--begin:Option-->
                                                    <label class="d-flex flex-stack mb-5 cursor-pointer">
                                                        <span class="d-flex align-items-center me-2">
                                                            <span class="symbol symbol-50px me-6">
                                                                <span class="symbol-label bg-light-danger">
                                                                    <i class="ki-duotone ki-element-11 fs-1 text-danger">
                                                                        <span class="path1"></span>
                                                                        <span class="path2"></span>
                                                                        <span class="path3"></span>
                                                                        <span class="path4"></span>
                                                                    </i>
                                                                </span>
                                                            </span>
                                                            <span class="d-flex flex-column">
                                                                <span class="fw-bold fs-6">Bireysel Firma</span>
                                                                <span class="fs-7 text-muted">Şahıs İşletmesi veya Vergi Levhasız Firmalar</span>
                                                            </span>
                                                        </span>
                                                        <span class="form-check form-check-custom form-check-solid">
                                                            <input class="form-check-input" type="radio" name="firma_turu" value="2" />
                                                        </span>
                                                    </label>
                                                    
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                    <!--begin::Step 2-->
                                    <div data-kt-stepper-element="content">
                                        <div class="w-100">
                                                <div class="d-flex flex-column mb-7 fv-row">
                                                    <label class="d-flex align-items-center fs-6 fw-semibold form-label mb-2">
                                                        <span class="required">Firma Açıklaması</span>
                                                        <span class="ms-1" data-bs-toggle="tooltip" title="Firmayı tanıtan bir metin girin">
                                                            <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                                <span class="path1"></span>
                                                                <span class="path2"></span>
                                                                <span class="path3"></span>
                                                            </i>
                                                        </span>
                                                    </label>
                                                    <textarea  class="form-control form-control-solid" name="firma_aciklama" cols="30" rows="5"></textarea>
                                                </div>
                                                <div class="row mb-10">
                                                    <div class="col-md-8 fv-row">
                                                        <label class="required fs-6 fw-semibold form-label mb-2">Firma Kategorisi</label>
                                                        <div class="row fv-row">
                                                            <div class="col-6">
                                                                <select name="firma_kategori" class="form-select form-select-solid" data-control="select2" data-hide-search="true" data-placeholder="Kategori">
                                                                    <option></option>
                                                                    <option value="1">Sağlık</option>
                                                                    <option value="2">Sanayi</option>
                                                                    <option value="3">Esnaf</option>
                                                                </select>
                                                            </div>
                                                            <div class="col-6">
                                                                <select name="firma_paket" class="form-select form-select-solid" data-control="select2" data-hide-search="true" data-placeholder="Paket">
                                                                    <option></option>
                                                                    <option value="1">1 Aylık</option>
                                                                    <option value="2">3 Aylık</option>
                                                                    <option value="3">6 Aylık</option>
                                                                    <option value="4">1 Yıllık</option>
                                                                </select>
                                                            </div>
                                                        </div>
                                                    </div>
                                                    <div class="col-md-4 fv-row">
                                                        <!--begin::Label-->
                                                        <label class="d-flex align-items-center fs-6 fw-semibold form-label mb-2">
                                                            <span class="required">Ödeme</span>
                                                            <span class="ms-1" data-bs-toggle="tooltip" title="Aylık Alınacak Ücreti Girin">
                                                                <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                                    <span class="path1"></span>
                                                                    <span class="path2"></span>
                                                                    <span class="path3"></span>
                                                                </i>
                                                            </span>
                                                        </label>
                                                        <div class="position-relative">
                                                            <input type="text" class="form-control form-control-solid" minlength="3" maxlength="4" placeholder="Tutar" name="paket_ucreti" />
                                                            <div class="position-absolute translate-middle-y top-50 end-0 me-3">
                                                                <i class="ki-duotone ki-credit-cart fs-2hx">
                                                                    <span class="path1"></span>
                                                                    <span class="path2"></span>
                                                                </i>
                                                            </div>
                                                        </div>
                                                    </div>
                                                </div>
                                            </div>
                                    </div>
                                    <!--begin::Step 3-->
                                    <div data-kt-stepper-element="content">
                                        <div class="w-100">
                                            <div class="fv-row mb-10">
                                                <label class="required fs-5 fw-semibold mb-2">Firmanın Resimleri</label>
                                                <input type="file" class="form-control form-control-lg form-control-solid" name="firma_resmi1" placeholder="dosya seçiniz" value="master_db" />
                                                <label class="fs-5 fw-semibold mb-2"></label>
                                                <input type="file" class="form-control form-control-lg form-control-solid" name="firma_resmi2" placeholder="dosya seçiniz" value="master_db" />
                                                <label class="fs-5 fw-semibold mb-2"></label>
                                                <input type="file" class="form-control form-control-lg form-control-solid" name="firma_resmi3" placeholder="dosya seçiniz" value="master_db" />
                                                <label class="fs-5 fw-semibold mb-2"></label>
                                                <input type="file" class="form-control form-control-lg form-control-solid" name="firma_resmi4" placeholder="dosya seçiniz" value="master_db" />
                                            </div>
                                            
                                            <div class="fv-row">
                                                <label class="d-flex align-items-center fs-5 fw-semibold mb-4">
                                                    <span class="required">Ana Resim</span>
                                                    <span class="ms-1" data-bs-toggle="tooltip" title="Firmanın Kapak Görseli">
                                                        <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                            <span class="path1"></span>
                                                            <span class="path2"></span>
                                                            <span class="path3"></span>
                                                        </i>
                                                    </span>
                                                </label>
                                                
                                                <label class="d-flex flex-stack cursor-pointer mb-5">
                                                    <span class="d-flex align-items-center me-2">
                                                        <span class="symbol symbol-50px me-6">
                                                            <span class="symbol-label bg-light-success">
                                                                <i class="ki-duotone ki-note text-success fs-2x">
                                                                    <span class="path1"></span>
                                                                    <span class="path2"></span>
                                                                </i>
                                                            </span>
                                                        </span>
                                                        <span class="d-flex flex-column">
                                                            <span class="fw-bold fs-6">Ana Resimi Seçin</span>
                                                            <input type="file" class="form-control form-control-lg form-control-solid" name="firma_ana_resmi" placeholder="dosya seçiniz" value="master_db" />
                                                        </span>
                                                    </span>
                                                    <span class="form-check form-check-custom form-check-solid">
                                                        <!--<input class="form-check-input" type="file" name="dbengine" checked="checked" value="1" />-->
                                                    </span>
                                                </label>
                                                
                                                
                                            </div>
                                        </div>
                                    </div>
                                    <!--begin::Step 4-->
                                    <div data-kt-stepper-element="content">
                                        <div class="w-100">
                                            <div class="d-flex flex-column mb-7 fv-row">
                                                <label class="d-flex align-items-center fs-6 fw-semibold form-label mb-2">
                                                    <span class="required">Firmanın Telefon Numarası</span>
                                                    <span class="ms-1" data-bs-toggle="tooltip" title="Firmanın Telefon Numarasını Giriniz">
                                                        <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                            <span class="path1"></span>
                                                            <span class="path2"></span>
                                                            <span class="path3"></span>
                                                        </i>
                                                    </span>
                                                </label>
                                                <input type="text" class="form-control form-control-solid" placeholder="" name="firma_telefon" value="" />
                                            </div>
                                            <div class="d-flex flex-column mb-7 fv-row">
                                                <label class="d-flex align-items-center fs-6 fw-semibold form-label mb-2">
                                                    <span class="">Firmanın Whatsapp Numarası</span>
                                                    <span class="ms-1" data-bs-toggle="tooltip" title="Firmanın Whatsapp Numarasını Giriniz">
                                                        <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                            <span class="path1"></span>
                                                            <span class="path2"></span>
                                                            <span class="path3"></span>
                                                        </i>
                                                    </span>
                                                </label>
                                                <input type="text" class="form-control form-control-solid" placeholder="" name="firma_whatsapp" value="Max Doe" />
                                            </div>
                                            <div class="d-flex flex-column mb-7 fv-row">
                                                <label class="d-flex align-items-center fs-6 fw-semibold form-label mb-2">
                                                    <span class="">Firmanın Mail Adresi</span>
                                                    <span class="ms-1" data-bs-toggle="tooltip" title="Firmanın Mail Adresini Giriniz">
                                                        <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                            <span class="path1"></span>
                                                            <span class="path2"></span>
                                                            <span class="path3"></span>
                                                        </i>
                                                    </span>
                                                </label>
                                                <input type="text" class="form-control form-control-solid" placeholder="" name="firma_mail" value="Max Doe" />
                                            </div>
                                            <div class="d-flex flex-column mb-7 fv-row">
                                                <label class="d-flex align-items-center fs-6 fw-semibold form-label mb-2">
                                                    <span class="">Firmanın Adresini Giriniz</span>
                                                    <span class="ms-1" data-bs-toggle="tooltip" title="Firmanın Adresini Giriniz">
                                                        <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                            <span class="path1"></span>
                                                            <span class="path2"></span>
                                                            <span class="path3"></span>
                                                        </i>
                                                    </span>
                                                </label>
                                                <textarea  class="form-control form-control-solid" name="firma_adres" cols="30" rows="4"></textarea>
                                            </div>
                                            <div class="d-flex flex-column mb-7 fv-row">
                                                <label class="d-flex align-items-center fs-6 fw-semibold form-label mb-2">
                                                    <span class="">Firmanın Maps Kaydını Giriniz</span>
                                                    <span class="ms-1" data-bs-toggle="tooltip" title="Maps Kaydını Eklemek İçin Iframe Kodu Giriniz">
                                                        <i class="ki-duotone ki-information-5 text-gray-500 fs-6">
                                                            <span class="path1"></span>
                                                            <span class="path2"></span>
                                                            <span class="path3"></span>
                                                        </i>
                                                    </span>
                                                </label>
                                                <textarea  class="form-control form-control-solid" name="firma_maps" cols="30" rows="4"></textarea>
                                            </div>
                                            
                                        </div>
                                    </div>
                                    <!--begin::Step 5-->
                                    <div data-kt-stepper-element="content">
                                        <div class="w-100 text-center">
                                            <h1 class="fw-bold text-gray-900 mb-3">Tebrikler!</h1>
                                            <div class="text-muted fw-semibold fs-3">Firma Başarıyla Sisteme Eklendi!</div>
                                            <div class="text-center px-4 py-15">
                                                <img src="assets/media/illustrations/sketchy-1/9.png" alt="" class="mw-100 mh-300px" />
                                            </div>
                                        </div>
                                    </div>
                                    
                                    <!--begin::Actions-->
                                    <div class="d-flex flex-stack pt-10">
                                        <!--begin::Wrapper-->
                                        <div class="me-2">
                                            <button type="button" class="btn btn-lg btn-light-primary me-3" data-kt-stepper-action="previous">
                                            <i class="ki-duotone ki-arrow-left fs-3 me-1">
                                                <span class="path1"></span>
                                                <span class="path2"></span>
                                            </i>Geri</button>
                                        </div>
                                        <!--end::Wrapper-->
                                        <!--begin::Wrapper-->
                                        <div>
                                            <button type="submit" class="btn btn-lg btn-primary" data-kt-stepper-action="submit">
                                                <span class="indicator-label">Firmayı Ekle 
                                                <i class="ki-duotone ki-arrow-right fs-3 ms-2 me-0">
                                                    <span class="path1"></span>
                                                    <span class="path2"></span>
                                                </i></span>
                                                <span class="indicator-progress">Lütfen Bekleyiniz... 
                                                <span class="spinner-border spinner-border-sm align-middle ms-2"></span></span>
                                            </button>
                                            <button type="button" class="btn btn-lg btn-primary" data-kt-stepper-action="next">Devam et 
                                            <i class="ki-duotone ki-arrow-right fs-3 ms-1 me-0">
                                                <span class="path1"></span>
                                                <span class="path2"></span>
                                            </i></button>
                                        </div>
                                        <!--end::Wrapper-->
                                    </div>
                                    <!--end::Actions-->
                                </form>
                                <!--end::Form-->
                            </div>
                            <!--end::Content-->
                        </div>
                        <!--end::Stepper-->
                    </div>
                </div>
            </div>
        </div>