Materials with AO turn black when converting to shader in Godot

[nan0m]

Material Maker version:
v1.3

OS/device including version:
Win10 RTX 3070

Issue description:

I export a MM-material to godot.
In Godot I have a nice working material but now I want to convert that material to a shader in Godot.
I press convert to shader.
If Ambient Occlusion was enabled on the material. The material will look fine in the editor view but once I start the game it's completely black.
If I unticked Ambient Occlusion it is fine.

If I simply recreate the whole material using the texture maps in Godot, this doesn't happen and it works

[Megalomaniak]

Based on the description it sounds like the break happens on godot side when converting material into shader. You might want to open an issue on their side too?