Bastard of Kosigan - Part 2 crashing issue

I guess many of us have soldiered on through this otherwise excellent module despite the save/load crash issue.

I was intrigued by this workround:

https://neverwintervault.org/comment/48973#comment-48973

I don’t have the resources to investigate right now, but I’m wondering whether the issue has something to do with custom items exported from part 1 - perhaps a 2da / model mismatch?