Fatal error: Uncaught Error: Class "yii\base\BaseObject" not found in /users/quirl/www/filemanager/spark/protected/vendor/yiisoft/yii2-queue/src/serializers/JsonSerializer.php:20 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/yiisoft/yii2-queue/src/serializers/JsonSerializer.php on line 20