Describe the bug
When you export an object, which has a material slot. But no material assigned to that slot, it will throw an AttributeError exception.
Log file
Screenshots
If applicable, add screenshots to help explain your problem.
Proposed Solution
Create a check and throw an appropriate warning message instead
Describe the bug When you export an object, which has a material slot. But no material assigned to that slot, it will throw an AttributeError exception.
Log file
Screenshots If applicable, add screenshots to help explain your problem.
Proposed Solution Create a check and throw an appropriate warning message instead