Fatal error: Uncaught Error: Interface 'League\OAuth2\Server\Grant\GrantTypeInterface' not found in C:\xampp\htdocs\reservation\vendor\league\oauth2-server\src\Grant\AbstractGrant.php:43 Stack trace: #0 {main} thrown in C:\xampp\htdocs\reservation\vendor\league\oauth2-server\src\Grant\AbstractGrant.php on line 43