Fatal error: Uncaught Error: Interface "Symfony\Contracts\Translation\TranslatorInterface" not found in C:\WebServer\htdocs\bookshelf\vendor\symfony\translation\LoggingTranslator.php:21 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\symfony\translation\LoggingTranslator.php on line 21