Buuuuuuuump! This shit has been bugging me since the release of 1.3.
Here's my log from the last time I recreated the bug for reference:
https://gist.github.com/HugsLibRecordKeeper/6a18a26ce5721090c9929f3040f9bd4b
Your modlist is a lot shorter which helps me narrow it down a lot at least. It clearly seems to be something with Combat Extended (we also share Vanilla Expanded but I doubt its that). My error messages are pretty much exactly the same as yours too.
Here's my log from the last time I recreated the bug for reference:
https://gist.github.com/HugsLibRecordKeeper/6a18a26ce5721090c9929f3040f9bd4b
Your modlist is a lot shorter which helps me narrow it down a lot at least. It clearly seems to be something with Combat Extended (we also share Vanilla Expanded but I doubt its that). My error messages are pretty much exactly the same as yours too.