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Dear Freesurfer experts,

I am a beginner in the use of TRACULA. I tried to run the preprocessing step of the trac-all command and it seems that all have worked fine. However, at the end of the command TRACULA finished with an error. This is the final output

tkregister2 --mov /Applications/freesurfer_dev/freesurfer/subjects/TUTORIAL_DATA/4220/4220/4220/dmri/brain_anat_orig.nii.gz --targ /Applications/freesurfer_dev/freesurfer/subjects/TUTORIAL_DATA/4220/4220/4220/dmri/brain_anat.nii.gz --regheader --noedit --fslregout /Applications/freesurfer_dev/freesurfer/subjects/TUTORIAL_DATA/4220/4220/4220/dmri/xfms/anatorig2anat.mat --reg /Applications/freesurfer_dev/freesurfer/subjects/TUTORIAL_DATA/4220/4220/4220/dmri/xfms/anat2anatorig.dat

tkregister2: Command not found.

Darwin rmnlab1.inv.usc.es 17.7.0 Darwin Kernel Version 17.7.0: Thu Jun 21 22:53:14 PDT 2018; root:xnu-4570.71.2~1/RELEASE_X86_64 x86_64

trac-preproc exited with ERRORS at Mon Dec 9 22:00:14 CET 2019

You can find the configuration file and the trac-all.log file in attached.

Best regards,