Actually, I have found a solution for this which seems to fix this problem.
The fix:
Fix – Go to Tools > Redirection > Options, and set URL Monitoring to Don’t Monitor. You’ll also need to remove any existing lesson redirects from the ‘Modified Posts’ redirect Group.
(copied from/found on: https://support.woothemes.com/hc/en-us/articles/203107857-Known-plugin-and-theme-conflicts)
I’m having exactly the same problem. I’m reading along for a solution! 🙂