Fatal error: Uncaught Error: Class 'League\OAuth2\Server\ResponseTypes\AbstractResponseType' not found in /var/www/microservices/vendor/league/oauth2-server/src/ResponseTypes/BearerTokenResponse.php:19 Stack trace: #0 {main} thrown in /var/www/microservices/vendor/league/oauth2-server/src/ResponseTypes/BearerTokenResponse.php on line 19