B2B upgrade fails with error Upgrade object too new in upgrade.log

MOSS 2007 upgrade fails Upgrade object too new in upgrade.log after B2B upgrade
*********************************************************************************
Problem Description
******************
[SPManager] [INFO] [2/17/2009 8:04:29 PM]: Resetting the status of PersistedUpgradableObject: SharedDatabase Name=KNETSSP_DB Parent=SPDatabaseServiceInstance to Online.[SPManager] [INFO] [2/17/2009 8:04:29 PM]: Finished upgrading SharedDatabase Name=KNETSSP_DB Parent=SPDatabaseServiceInstance.[SPManager] [INFO] [2/17/2009 8:04:29 PM]: Preparing to upgrade PersistedUpgradableObject: SearchSharedDatabase Name=KNETSSP_Search_DB Parent=SPDatabaseServiceInstance. This object's current status is Online.[SharedSearchDatabaseSequence] [ERROR] [2/17/2009 8:04:29 PM]: Upgrade object too new (build version = 12.0.6219.1000, schema version = 12.0.0.0). Current server (build version = 12.0.4518.1016, schema version = 12.0.0.0).[SPManager] [ERROR] [2/17/2009 8:04:29 PM]: CanUpgrade [SearchSharedDatabase Name=KNETSSP_Search_DB Parent=SPDatabaseServiceInstance] failed.[SPManager] [ERROR] [2/17/2009 8:04:29 PM]: The specified SearchSharedDatabase Name=KNETSSP_Search_DB Parent=SPDatabaseServiceInstance has been upgraded to a newer version of SharePoint. Please upgrade this SharePoint application server before attempting to access this object.[SPManager] [ERROR] [2/17/2009 8:04:29 PM]: at Microsoft.SharePoint.Upgrade.SPSequence.get_CanUpgrade()at Microsoft.SharePoint.Upgrade.SPManager.CanUpgrade(Object o)[SPManager] [ERROR] [2/17/2009 8:04:29 PM]: ReflexiveCanUpgrade [SearchSharedDatabase Name=KNETSSP_Search_DB Parent=SPDatabaseServiceInstance] failed.[SPManager] [ERROR] [2/17/2009 8:04:29 PM]: The specified SearchSharedDatabase Name=KNETSSP_Search_DB Parent=SPDatabaseServiceInstance has been upgraded to a newer version of SharePoint. Please upgrade this SharePoint application server before attempting to access this object.[SPManager] [ERROR] [2/17/2009 8:04:29 PM]: at Microsoft.SharePoint.Upgrade.SPSequence.get_CanUpgrade()at Microsoft.SharePoint.Upgrade.SPManager.CanUpgrade(Object o)at Microsoft.SharePoint.Administration.SPPersistedUpgradableObject.get_CanUpgrade()at Microsoft.SharePoint.Upgrade.SPManager.ReflexiveCanUpgrade(Object o)at Microsoft.SharePoint.Upgrade.SPManager.Upgrade(Object o, Boolean bRecurse)
====================================================
It will be a bad value, probably RTM listed in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office Server\12.0\BuildVersionPer this line in upgrade log:Upgrade object too new (build version = 12.0.6219.1000, schema version = 12.0.0.0). Current server (build version = 12.0.4518.1016, We changed the value from 12.0.4518.1016 to 12.0.6219.1000, and this allowed the upgrade to move past this error.