Fatal error: Uncaught Error: Class "yii\db\Migration" not found in /users/quirl/www/filemanager/spark/protected/humhub/migrations/m220121_193617_oembed_setting_update.php:10 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/humhub/migrations/m220121_193617_oembed_setting_update.php on line 10