“Relationship would not be a tree after update so bailing”

Sometimes a connection cannot be promoted by Promotion Management with the error:

Resolution Status=Copied, Dependency Status=All the required dependencies are included., Commit Status=Commit attempted and failed., Promotion Status=Failure : Relationship would not be a tree after update so bailing.

It may help to promote connection using BiarEngine. This can display a better message explicitly saying object’s ID causing the dependency issue, for instance: