AttributeError: 'ShaderNodeMixRGB' object has no attribute 'default_value'

[Ubuntuuuuu]

Can't create surface, no nodetree. Lights are working, but no surfaces or world.

https://polyhaven.com/a/slab_tiles
Version of LilySurfaceScrapper: 1.8.1
Version of Blender: 3.31
CYCLES render
Operating System: Windows10 with ACES installed (https://youtu.be/8zb3XjNBgRE)

Traceback (most recent call last):
File "C:\Users\ChristArmy\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\LilySurfaceScraper\frontend.py", line 215, in execute
mat = data.createMaterial()
File "C:\Users\ChristArmy\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\LilySurfaceScraper\CyclesMaterialData.py", line 250, in createMaterial
mix_node.default_value = 1.
AttributeError: 'ShaderNodeMixRGB' object has no attribute 'default_value'
Error: Python: Traceback (most recent call last):
File "C:\Users\ChristArmy\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\LilySurfaceScraper\frontend.py", line 215, in execute
mat = data.createMaterial()
File "C:\Users\ChristArmy\AppData\Roaming\Blender Foundation\Blender\3.3\scripts\addons\LilySurfaceScraper\CyclesMaterialData.py", line 250, in createMaterial
mix_node.default_value = 1.
AttributeError: 'ShaderNodeMixRGB' object has no attribute 'default_value'

[Fncarecasboy]

When will you fix this...it's very useful for current version of Blender 3.4.1 but not functional at the moment...