Fatal error: Uncaught Error: Class "League\OAuth2\Client\Provider\AbstractProvider" not found in /home/maborneapp/public_html/vendor/xibosignage/oauth2-xibo-cms/src/Provider/Xibo.php:16 Stack trace: #0 {main} thrown in /home/maborneapp/public_html/vendor/xibosignage/oauth2-xibo-cms/src/Provider/Xibo.php on line 16