Fatal error: Uncaught Error: Class "yii\base\Behavior" not found in /users/quirl/www/filemanager/spark/protected/humhub/modules/space/behaviors/SpaceController.php:32 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/humhub/modules/space/behaviors/SpaceController.php on line 32