Error while running config wizard after December Cumulative Updates.
Upgrade object too new (build version = 12.0.0.6300, schema version = 2.0.0.0). Current server (build version = 12.0.0.4518, schema version = 3.0.1.0).
CanUpgrade [SPContentDatabase Name=SharePoint_AdminContent_3e3c45c0-bf44-42e2-b4a4-2bff9beab942 Parent=SPDatabaseServiceInstance Name=OfficeServers] failed.
The specified SPContentDatabase Name=SharePoint_AdminContent_3e3c45c0-bf44-42e2-b4a4-2bff9beab942 Parent=SPDatabaseServiceInstance Name=OfficeServers has been upgraded to a newer version of SharePoint. Please upgrade this SharePoint application server before attempting to access this object.
FIX: Uninstall Groupboard workspace from server and run config wizard again.
Version should now be 12.0.0.6335
