Operating system: Windows 64 bit
Graphics card: Nvidia GTX 750 Ti
Broken: 2.91 release, 2.92.0 alpha 9b17e71c23a9
Short description of error
Using the Make Links > Materials operation, a regular material can be set on a Grease Pencil object.
This can cause crashes, for example on drawing with such a materials selected.
Instead, linking a regular material to a Grease Pencil object should not be possible.
Exact steps for others to reproduce the error
- Press Ctrl + L, select Materials
- Select the Grease Pencil object. The first material slot will display an empty line. Selecting it shows the Principled Shader.