Q: Cannot delete podcast

Hello, the status of the podcast has been 'edited' with a red asterix for about two days now. The delete button above is grayed out.

I keep getting these errors:

Trying to hide it/revert it:

"iTunes U Public Site Manager could not revert the collection. The collection is unchanged."

(previously posted here: https://discussions.apple.com/thread/4974667?tstart=0)