Fatal error: Uncaught Error: Class "App\Engine\LegacyHandler\LegacyHandler" not found in D:\htdocs\SuiteCRM\core\modules\Campaigns\Statistics\CampaignSendStatus.php:44 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\core\modules\Campaigns\Statistics\CampaignSendStatus.php on line 44