Frequent Crashes when Attempting to Save -- Very Bad!

Recently I had to change from a Windows laptop to a MacBook Pro. I like WordPerfect so much, I invested in Parallels Pro Desktop, so that I could keep Windows environment in which to run WordPerfect. All is good, EXCEPT, very frequently, when attempting to save documents, WordPerfect crashes mysteriously. Of course, all since the last save is gone. Everything else, the Windows Desktop, other windows apps, and of course, the MacBook on which it's all running continue just fine. I just re-open WordPerfect, and rebuild what I lost.

I'm at a loss. I will continue to use WordPerfect, but with GREAT CAUTION. Am I missing something?