Fatal error: Uncaught InvalidArgumentException: Invalid argument: in /var/www/clients/client2/web8/web/vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php:847 Stack trace: #0 /var/www/clients/client2/web8/web/bootstrap.php(39): Doctrine\ORM\EntityManager::create() #1 /var/www/clients/client2/web8/web/public_html/index.php(22): require_once('/var/www/client...') #2 {main} thrown in /var/www/clients/client2/web8/web/vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php on line 847