Fatal error: Uncaught Error: Class "VardefManager" not found in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-backup\modules\OutboundEmailAccounts\vardefs.php:762 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-backup\modules\OutboundEmailAccounts\vardefs.php on line 762