We unfortunately cannot fix this for previous versions of Blender, but at least the issue (Blender crashing on unknown IDProp types) should now be addressed for future. Simply reset unknown IDProp types to integer one, and reset its value to zero.
We unfortunately cannot fix this for previous versions of Blender, but at least the issue (Blender crashing on unknown IDProp types) should now be addressed for future. Simply reset unknown IDProp types to integer one, and reset its value to zero.