More upgrade help from the Summit Group. In this post they look at what to do when GP Upgrade Fails at a Specific Table and they deliver a SQL script to help.
GP Upgrade Fails at Table » Summit Group Software Blog
Microsoft & the GP EcosystemSQL & DataInstall, Upgrade & Admin
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.