Fatal error: Uncaught Error: Class "League\OAuth2\Client\Provider\AbstractProvider" not found in /opt/lampp/htdocs/forum/flarum/vendor/wohali/oauth2-discord-new/src/Provider/Discord.php:24 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/wohali/oauth2-discord-new/src/Provider/Discord.php on line 24