Fatal error: Uncaught Error: Class "League\OAuth2\Client\Grant\AbstractGrant" not found in /var/www/usonboard.com/vendor/league/oauth2-client/test/src/Grant/Fake.php:7
Stack trace:
#0 {main}
thrown in /var/www/usonboard.com/vendor/league/oauth2-client/test/src/Grant/Fake.php on line 7