Traveling Library

Hi there, I’m working with someone who is having problems with her traveling library.  When she exported it back from her home environement to her work environment, the field codes didn’t match.   And when she tries to update the codes from her word document so that they match the ones created in her work environment, nothing happens (it finds the reference but doesn’t update).  Has anyone heard of this happening?  Any advice you can give?  Thanks!!