**System Information**
Operating system: Windows-10-10.0.22621-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3090/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 527.56
CPU: 24 core/48 thread Threadripper
Memory: 128 GB RAM
Disk: NVMe
**Blender Version**
Broken: version: 3.4.1, branch: blender-v3.4-release, commit date: 2022-12-06 18:46, hash: `rBa95bf1ac01be`
Worked: Previous versions were better, unmeasured but it appears to
**Short description of error**
FBX export via plugin crash
**Exact steps for others to reproduce the error**
This is using a modified commercial plugin for Marmoset Toolbag export. But basically all I'm doing at this point is a FBX export. This operation has been fine for years, but with 3.4.0 and 3.4.1 it started to crash. I'm not sure if I can supply you with the plugin for reproducing, but if that is fine let me know and I'll see what I can do to set up you up. Here is the stacktrace which has some good information.
{F14086454}
{F14084062}