Exporter doesn't like objects with more than 7 Materials with different UVs about blender-omsi-exporter HOT 1 CLOSED

Thanks for the report!

The intention was that the exporter would create a new UV map if a mesh did not have any, however it is actually creating a new UV map for every material slot that does not specify a UV map, so if there are enough material slots and existing UV maps the exporter can exceed Blender's limit of 8 UV maps.

Before and after Blender 3.0.0 me.uv_layers.new() returns None when trying to create a 9th UV map, so this programming error passed silently by unnoticed, but in Blender 3.0.0 it raises an exception as encountered above.

Exporter 3.0.1 for Blender 3.0 & 3.1 includes a fix for this issue and a small quality-of-life improvement.

from blender-omsi-exporter.