Fatal error: Uncaught Error: Interface 'Josegonzalez\Upload\File\Transformer\TransformerInterface' not found in /var/www/app/src/Additional/ThumbnailTransformer.php:10 Stack trace: #0 /var/www/app/vendor/composer/autoload_real.php(78): require() #1 /var/www/app/vendor/composer/autoload_real.php(61): composerRequirebc022c728f0f61ab027ee7a7b5f642fe('4847cbd692921de...', '/var/www/app/ve...') #2 /var/www/app/vendor/autoload.php(7): ComposerAutoloaderInitbc022c728f0f61ab027ee7a7b5f642fe::getLoader() #3 /var/www/app/webroot/index.php(31): require('/var/www/app/ve...') #4 {main} thrown in /var/www/app/src/Additional/ThumbnailTransformer.php on line 10