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Hello FreeSurfer Developers,

I'm trying to compute volumetric data from MPRAGE images by using recon-all as decribed at https://surfer.nmr.mgh.harvard.edu/fswiki/recon-all

I've got the following message:

mri_nu_correct.mni --i orig.mgz --o nu.mgz --uchar transforms/talairach.xfm --n 2

ERROR: flag --uchar not recognized

Does anyone have any thoughts on how to trouble-shoot this problem? Also, I've attached the recon-all.log in case it's of any use.

FreeSurfer version: freesurfer-darwin-macOS-7.1.1 (freesurfer-Darwin-leopard-i686-stable-pub-v5.1.0)

macOS high Sierra 10.13.6, x86_64

XQuartz 2.7.11 (xorg-server 1.18.4)

recon-all.log: see attached

Sincerely,

Nurhan Erbil