Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in C:\WebServer\htdocs\bookshelf\vendor\symfony\translation\DataCollector\TranslationDataCollector.php:26 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\symfony\translation\DataCollector\TranslationDataCollector.php on line 26