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