RPR Crash when trying to create/update materiel preview

[G4br13lG0]

It crashes when I open any menu that contains a materiel preview (that little ball)


those were created with Cycles, when I use it with RPR it opens and render fine, but it crashes when I modify the material and open one of those menus

the following appear on the crash

2023-12-19 20:11:14,621 WARNING rpr.export.node [139900847912448]: Ignoring unsupported node <bpy_struct, ShaderNodeLightPath("Light Path") at 0x7f3d90502f88, evaluated> <bpy_struct, Material("FloorHidden") at 0x7f3d904ebc88, evaluated>
terminate called after throwing an instance of 'Tahoe::Exception'
what(): std::exception
Aborted (core dumped)

I use cpu as render device, for both cycles and RPR
and I know my gpu is not supported

Used default blender scene
Full log.txt

CPU= Ryzen 5 1600
GPU= RX 550
RAM=16Gb
OS=Linux mint 21.2
Blender version=3.6.7
ADDON version=3.6.9

[medoomem]

use prorender material library https://www.amd.com/en/technologies/radeon-prorender-downloads

[medoomem]

under prorender plugin download there is the material library, install the wizard (Note: only for fully installed blender, not working for portable extracted versions i think)

[G4br13lG0]

Thank you for the answer, but I don't think the material library is the problem.