Fatal error: Uncaught Error: Class "dosamigos\fileupload\BaseUpload" not found in /var/www/binary/vendor/2amigos/yii2-file-upload-widget/src/FileUploadUI.php:22 Stack trace: #0 {main} thrown in /var/www/binary/vendor/2amigos/yii2-file-upload-widget/src/FileUploadUI.php on line 22