Trying to use an object from another pipeline should have a more obvious error message

[kennknowles]

http://stackoverflow.com/questions/43668522/unknown-producer-for-value-singletonpcollectionview

The error message says that there's an unknown producer. We can check at this point that the pipelines are the same, and if not provide a more precise error message.

Imported from Jira BEAM-2117. Original Jira may contain additional context.
Reported by: tgroh.