If you care to upload the .aup3 project to a public file sharing service, then post (or PM me) a link, 'll take a look at it. 
However, I’ll be out of town, so I can’t get to it until much later today.
Note that if you access to (or a friend with) a Windows machine you can fix this problem yourself: Corrupt or Otherwise Broken Audacity Project Recovery
This recovery tool will not run on MacOS.