photoshoot panic

[Andx667]

Tools (complete and add to the following information):

• HEMTT: 1.16.1 [e.g. 1.11.0 stable, rc, dev]
• Operating System: Windwos 11 [e.g. Windows, macOS, Linux]

Description:
hemtt panics for an unknown reason.
on a smaller modpack getting a different error message, see attached gist. was working before 1.16.1

Steps to reproduce:

1. Clone Branch https://github.com/TacticalTrainingTeam/ttt_a3/tree/update-previews
2. run hemtt photoshoot bwa3 itc cup rhs (needs the right mods from the workshop)

Expected behavior:
Clear error message and no crash.

Logs:
https://gist.github.com/Andx667/7cee3b22dfcf7c662106d6760f43db80

Additional context:
N/A

[DartRuffian]

Crashes for me as well, here's my log (with -vvv)
latest.log