Suddenly the ProRender is not functioning in Blender. The "ERROR | 'MaterialNode' object has no attribute 'set_id'" message appear when I press render in Viewport or full-render. I have uninstalled/reinstalled both Blender 2.91.0 and ProRender 3.0.8 several times without any luck. The other rendering options (Eeve/Cycles) works wothout any problem.
First it seemed to work if only I dissabled/hid a specific object in the 3D scene, but now nothing works to render with RPR.
What can I do to make it work again?
BR
Mattias