Fatal error: Uncaught Error: Class "GrahamCampbell\Manager\AbstractManager" not found in /home/wilpf/public_html/pms/vendor/graham-campbell/gitlab/src/GitLabManager.php:63 Stack trace: #0 {main} thrown in /home/wilpf/public_html/pms/vendor/graham-campbell/gitlab/src/GitLabManager.php on line 63