Fatal error: Uncaught Error: Interface "Http\Client\Common\Plugin" not found in /home/wilpf/public_html/pms/vendor/m4tthumphrey/php-gitlab-api/src/HttpClient/Plugin/Authentication.php:31 Stack trace: #0 {main} thrown in /home/wilpf/public_html/pms/vendor/m4tthumphrey/php-gitlab-api/src/HttpClient/Plugin/Authentication.php on line 31