Fatal error: Uncaught Error: Class "App\Engine\LegacyHandler\LegacyHandler" not found in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\core\backend\ViewDefinitions\LegacyHandler\SubPanelDefinitionHandler.php:48 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\core\backend\ViewDefinitions\LegacyHandler\SubPanelDefinitionHandler.php on line 48