Fatal error: Uncaught Error: Interface "App\Module\Campaigns\Service\Email\Trackers\EmailTrackerManagerInterface" not found in D:\htdocs\SuiteCRM\core\modules\Campaigns\Service\Email\Trackers\DefaultEmailTrackerManager.php:38 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\core\modules\Campaigns\Service\Email\Trackers\DefaultEmailTrackerManager.php on line 38