Fatal error: Uncaught Error: Class "yii\base\Widget" not found in /users/quirl/www/filemanager/spark/protected/vendor/xj/yii2-jplayer-widget/JplayerWidget.php:16 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/xj/yii2-jplayer-widget/JplayerWidget.php on line 16