Fatal error: Uncaught Error: Class "FOS\OAuthServerBundle\Model\ClientManager" not found in C:\xampp\htdocs\BK\bateriasec\vendor\friendsofsymfony\oauth-server-bundle\Document\ClientManager.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\BK\bateriasec\vendor\friendsofsymfony\oauth-server-bundle\Document\ClientManager.php on line 19