Fatal error: Uncaught Error: Class "yii\jui\InputWidget" not found in /users/quirl/www/filemanager/spark/protected/vendor/yiisoft/yii2-jui/SliderInput.php:56 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/yiisoft/yii2-jui/SliderInput.php on line 56