Fatal error: Uncaught Error: Class "yii\web\Controller" not found in /home/telefonai/public_html/test.telefonai.eu/vendor/craftcms/cms/src/web/Controller.php:39 Stack trace: #0 {main} thrown in /home/telefonai/public_html/test.telefonai.eu/vendor/craftcms/cms/src/web/Controller.php on line 39