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Hi,

I'm following the process described in https://www.cloudneuro.org/ to predict age based on cortical thickness of an individual brain.

I cannot map surface to the fsaverage4 template by the 2nd command:

recon-all -s subject.id -qcache -target fsaverage4

The error was shown like

mri_surf2surf: could not read surface ./test2/surf/lh.fsaverage4.sphere.reg

No such file or directory

I tried to change the 1st command like:

recon-all -i input_image -s subject.id -all -target fsavearge4

But still the same error.

My FreeSurfer version is 6.0.0. Maybe that's why I cannot successfully run the code in https://www.cloudneuro.org/. But is there any way to solve this problem? Thank you.

Chenfei