Fatal error: Uncaught Error: Interface "yii\queue\serializers\SerializerInterface" not found in /users/quirl/www/filemanager/spark/protected/vendor/yiisoft/yii2-queue/src/serializers/Serializer.php:17 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/yiisoft/yii2-queue/src/serializers/Serializer.php on line 17