Fatal error: Uncaught Error: Interface "League\OAuth2\Server\Entities\UserEntityInterface" not found in /var/www/html/w/vendor/league/oauth2-server/examples/src/Entities/UserEntity.php:14 Stack trace: #0 {main} thrown in /var/www/html/w/vendor/league/oauth2-server/examples/src/Entities/UserEntity.php on line 14