Fatal error: Uncaught Error: Class "yii\base\Action" not found in /var/www/binary/vendor/2amigos/yii2-file-upload-widget/src/actions/FileUploadAction.php:27 Stack trace: #0 {main} thrown in /var/www/binary/vendor/2amigos/yii2-file-upload-widget/src/actions/FileUploadAction.php on line 27