I am trying to create an average subject from a set of subjects, but keep getting an error that says "mghRead(mri/norm.mgz, -1): could not open file". I've read that several others have solved this issue by installing the patch available at MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be http://surfer.nmr.mgh.harvard.edu/pub/dist/freesurfer/6.0.0-patch/. I did this, but continue to get the same error. I'm working with Freesurver Version 6.0.0 and MacOS Big Sur Version 11.2.3. I've attached the recon-all.log below, but please let me know if you need additional information.

Any insight on this would be appreciated! Thank you!

Jordan