One of my users has opened a Pro-E file from ePDM using the Pro-E Connector. He has edited the file and is now attempting to check the file back into the vault. However, he cannot check in the file due to a "cyclic reference" issue. Has anyone dealt with this before? I am not a Pro-E person so this is some new stuff to me...we are investigating whether there is a "crc" (??) file in Pro-E.