Fatal error: Uncaught Error: Class 'League\OAuth2\Client\Provider\AbstractProvider' not found in /home/mpolsk5/public_html/seocomo/craft/vendor/league/oauth2-client/src/Provider/GenericProvider.php:27 Stack trace: #0 {main} thrown in /home/mpolsk5/public_html/seocomo/craft/vendor/league/oauth2-client/src/Provider/GenericProvider.php on line 27