Fatal error: Uncaught Error: Interface "GrahamCampbell\Manager\ManagerInterface" not found in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker.app/crater/vendor/graham-campbell/manager/src/AbstractManager.php:26 Stack trace: #0 {main} thrown in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker.app/crater/vendor/graham-campbell/manager/src/AbstractManager.php on line 26