Fatal error: Uncaught Error: Class 'kartik\base\AssetBundle' not found in /var/www/up.tantal-metall.com/yii_up/vendor/kartik-v/yii2-widget-fileinput/src/BaseAsset.php:20 Stack trace: #0 {main} thrown in /var/www/up.tantal-metall.com/yii_up/vendor/kartik-v/yii2-widget-fileinput/src/BaseAsset.php on line 20