plugin error

[Yuraass]

How can I solve the problem?

[MediaMoots]

same issue for me, blender 4.0

[SimonAkers]

Blender 4.0 changed some APIs that are used by this addon, making it incompatible until the addon is updated. For now, you should be able to use Blender 3.x still. Previous Blender releases are available here: https://download.blender.org/release/