mri_convert ERROR: could not determine file /usr/local/freesurfer/subjects....If I understood well the solution is in updated version of reg-feat
However, I cannot find the updated reg-feat2anat in 

ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/

Would you be so kind to upload the file again.

Thanks in advance,
Best regards,

Marko Dakovic, PhD
Center for Magnetic Resonance
Clinical Center of Serbia
Pasterova 2
Belgrade 11000
Serbia