Fatal error: Uncaught Error: Class "yii\debug\Panel" not found in /users/quirl/www/filemanager/spark/protected/vendor/yiisoft/yii2-debug/src/panels/TimelinePanel.php:27 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/yiisoft/yii2-debug/src/panels/TimelinePanel.php on line 27