Error on importing 3mf

[lukvdb]

Error on opening 3mf add-on in Blender 5.0.1. How can I solve this?

[Clonephaze]

You just need to change over to a more modern fork, mine can be found here:
https://github.com/Clonephaze/3MF-Blender-Add-on---Maintained

And is now officially hosted on the Official Blender Extensions Platform – Includes automatic updates!

I wrote up a whole description in #86