Photostructure keeps closing itself during library sync

It is scanning a 3 TB library on a single USB HDD enclosure and keeps dying at random. The sync seems to pick up where it left off each time I reopen the program. Has anyone else seen this? Any suggestions?

Ah crap, that’s no good.

You might be hitting this issue:

If that’s not it, please turn on info logging, restart, wait for it to crash, and then send me the logs:

That did the trick. Thanks one million!