Fatal error: Uncaught Error: Class "App\ViewDefinitions\Service\MassUpdate\EmailOptoutMapper" not found in D:\htdocs\SuiteCRM\core\modules\Contacts\Service\MassUpdate\ContactsEmailOptoutMapper.php:32 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\core\modules\Contacts\Service\MassUpdate\ContactsEmailOptoutMapper.php on line 32