I am running the upgrade and receive the following error:
Running WorkItemTracking upgrade - UpgradeWIDatabaseStep4FriendlyNameUpdate1 Suc
cess
Running WorkItemTracking upgrade - UpgradeWIDatabaseStep4FriendlyNameUpdate2
UPGRADE FAILED
Unexpected Error: Subquery returned more than 1 value. This is not permitted whe
n the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an e
xpression.
The statement has been terminated.
Any ideas as to what this pertains to or how to fix it

Upgrade to RTM from BR3 fails with unexpected error
xoqx