Python: RuntimeError: could not create instance of IMPORT_MESH_OT_threemf to call callback function 'invoke'

[jiangy10]

Installed from this release https://github.com/Ghostkeeper/Blender3mfFormat/releases/tag/v1.0.2
Blender version： 4.4.3
Device： MacOS M2
When I click import -> 3mf, got such an error messge at the bottom

[LeeGillie]

Jiangy10 -

I don't have a mac to test it, but I had a similar issue under Windows. Looking at your Blender version you may want to give my fork a try... https://github.com/LeeGillie/Blender3mfFormat

Best regards - Lee Gillie, CCP

[jiangy10]

Your fork is working on my blender, thank you so much <3
Shall I close this issue then?

[Clonephaze]

Just wanted to let you and others know of my own fork, which includes a fix for this and many other bugs, 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