Php framework hata alıyorum

PHP Core Warning – yii\base\ErrorException

Module 'calendar' already loaded
2. yii\base\ErrorHandler::handleFatalError()
$_SERVER = [
    'HTTP_ACCEPT' => 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
    'HTTP_ACCEPT_ENCODING' => 'gzip, deflate, sdch, br',
    'HTTP_ACCEPT_LANGUAGE' => 'en-US,en;q=0.8,tr;q=0.6',
    'HTTP_COOKIE' => 'language=bb52e3d5e57f8012442d1ba797d82babd7e16de76efa6160a68a092c9a657059a%3A2%3A%7Bi%3A0%3Bs%3A8%3A%22language%22%3Bi%3A1%3Bs%3A5%3A%22tr-TR%22%3B%7D; duyuru=9b9192205b5de98fbf866d5f5129ba1bfdeaf80e908349b4f3c355bdbafc6c4ea%3A2%3A%7Bi%3A0%3Bs%3A6%3A%22duyuru%22%3Bi%3A1%3Bi%3A1%3B%7D; _csrf=e96f9e8a60ea423bf5690e852f757abb7205a5444f4d17219bcbe6ae0c97b61ea%3A2%3A%7Bi%3A0%3Bs%3A5%3A%22_csrf%22%3Bi%3A1%3Bs%3A32%3A%22sHdyOiY4M84kMZnu1TYZCNaQU31I_DtH%22%3B%7D; PHPSESSID=ler5s73vnh36pub0ekgpfhd9r5; _gat=1; _ga=GA1.2.216029441.1475151766; __zlcmid=cyfu6WXrgZRq38',
    'HTTP_HOST' => 'www.edabilisim.com',
    'HTTP_PRAGMA' => 'no-cache',
    'HTTP_REFERER' => 'https://www.edabilisim.com/hizmetlerimiz',
    'HTTP_USER_AGENT' => 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36',
    'HTTP_CACHE_CONTROL' => 'no-cache',
    'HTTP_UPGRADE_INSECURE_REQUESTS' => '1',
    'HTTP_ALEXATOOLBAR_ALX_NS_PH' => 'AlexaToolbar/alx-4.0',
    'DOCUMENT_ROOT' => '/home/edabilisim/public_html',
    'REMOTE_ADDR' => '213.248.132.84',
    'REMOTE_PORT' => '59352',
    'SERVER_ADDR' => '95.173.182.196',
    'SERVER_NAME' => 'www.edabilisim.com',
    'SERVER_ADMIN' => 'webmaster@edabilisim.com',
    'SERVER_PORT' => '443',
    'REQUEST_URI' => '/index.html',
    'REDIRECT_URL' => '/web/index.html',
    'HTTPS' => 'on',
    'REDIRECT_STATUS' => '200',
    'X_SPDY' => 'HTTP2',
    'SSL_PROTOCOL' => 'TLSv1.2',
    'SSL_SESSION_ID' => '5a68c3794567ec6b16fb93ca046980fcd877208c8805602c9013980e35478b9f',
    'SSL_CIPHER' => 'ECDHE-RSA-AES128-GCM-SHA256',
    'SSL_CIPHER_USEKEYSIZE' => '128',
    'SSL_CIPHER_ALGKEYSIZE' => '128',
    'SCRIPT_FILENAME' => '/home/edabilisim/public_html/web/index.php',
    'QUERY_STRING' => '',
    'SCRIPT_URI' => 'https://www.edabilisim.com/index.html',
    'SCRIPT_URL' => '/index.html',
    'SCRIPT_NAME' => '/web/index.php',
    'SERVER_PROTOCOL' => 'HTTP/1.1',
    'SERVER_SOFTWARE' => 'LiteSpeed',
    'REQUEST_METHOD' => 'GET',
    'PHP_SELF' => '/web/index.php',
    'REQUEST_TIME_FLOAT' => 1479192240.3070309162139892578125,
    'REQUEST_TIME' => 1479192240,
    'argv' => [],
    'argc' => 0,
];

$_COOKIE = [
    'language' => 'bb52e3d5e57f8012442d1ba797d82babd7e16de76efa6160a68a092c9a657059a:2:{i:0;s:8:"language";i:1;s:5:"tr-TR";}',
    'duyuru' => '9b9192205b5de98fbf866d5f5129ba1bfdeaf80e908349b4f3c355bdbafc6c4ea:2:{i:0;s:6:"duyuru";i:1;i:1;}',
    '_csrf' => 'e96f9e8a60ea423bf5690e852f757abb7205a5444f4d17219bcbe6ae0c97b61ea:2:{i:0;s:5:"_csrf";i:1;s:32:"sHdyOiY4M84kMZnu1TYZCNaQU31I_DtH";}',
    'PHPSESSID' => 'ler5s73vnh36pub0ekgpfhd9r5',
    '_gat' => '1',
    '_ga' => 'GA1.2.216029441.1475151766',
    '__zlcmid' => 'cyfu6WXrgZRq38',
];

$_SESSION = [
    '__flash' => [],
    'yii\\authclient\\clients\\Twitter_ef71f520786335688cd762d29aaa2ac98b6bd42f_token' => unserialize('O:25:"yii\\authclient\\OAuthToken":5:{s:13:"tokenParamKey";s:11:"oauth_token";s:19:"tokenSecretParamKey";s:18:"oauth_token_secret";s:15:"createTimestamp";i:1479192230;s:50:"' . "\0" . 'yii\\authclient\\OAuthToken' . "\0" . '_expireDurationParamKey";s:10:"expires_in";s:34:"' . "\0" . 'yii\\authclient\\OAuthToken' . "\0" . '_params";a:2:{s:11:"oauth_token";s:50:"3687445516-BR7KZBncwRq49m98VnOulopOa4u5jXrS6svUEwA";s:18:"oauth_token_secret";s:45:"UvGRgIAWOigfhMYjbVSKRSVKrKIWl0iLnSUeWWpvkzS2h";}}'),
    '__captcha/site/captcha' => 'cvkectj',
    '__captcha/site/captchacount' => 1,
];
Yii Framework
2016-11-15, 06:44:00

Yii Framework/2.0.3