Hello Natalie and Marijn,
First of all thank you for all the informations and guides provided.
I have followed the instructions on the github read me.
I am on Windows 11, I used VSCode to open and run 0-Installation_check.ipynb, everything runs ok except the last cell which has thrown an error:
ValueError: Error loading surface from c:\Users\…\mne_practical_meeg_2025-main\extra_data_mne\freesurfer\sub-01\bem\outer_skin.surf (see Terminal for details).
When I go up in the exception chain I see this error:
ValueError: File does not appear to be a Freesurfer surface
I have checked the file path, and it’s correct.
Do you have an idea of what could be wrong?
Thanks a lot!
Christelle 