orayı düzelettim ama şimdi böyle bir hata alıyorum

https://hizliresim.com/dLYZDQ

"ERROR: Failed to resolve: com.android.supportre:cyclerview-v7:27.1.1
Show in Project Structure dialog
Affected Modules: app"

apply plugin: 'com.android.application'apply plugin: 'com.google.gms.google-services'android {    compileSdkVersion 29    buildToolsVersion "29.0.2"    defaultConfig {        applicationId "com.tutkugurur.realchat"        minSdkVersion 15        targetSdkVersion 29        versionCode 1        versionName "1.0"        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"    }    buildTypes {        release {            minifyEnabled false            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'        }    }}dependencies {    implementation fileTree(dir: 'libs', include: ['*.jar'])    implementation 'androidx.appcompat:appcompat:1.1.0'    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'    implementation 'com.google.firebase:firebase-database:16.0.4'    implementation 'com.android.supportre:cyclerview-v7:27.1.1'    testImplementation 'junit:junit:4.12'    androidTestImplementation 'androidx.test:runner:1.1.1'    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'}