Here is the output when trying to run the GUI based svreg
Executing: /Applications/BrainSuite15b/svreg/bin/svreg_label_surf_hemi.sh /Volumes/Storage_backup/session_1/anat_1/mprage /Applications/BrainSuite15b/svreg/BCI-DNI_brain_atlas/BCI-DNI_brain left -v1
Executing: /Applications/BrainSuite15b/svreg/bin/svreg_label_surf_hemi.sh /Volumes/Storage_backup/session_1/anat_1/mprage /Applications/BrainSuite15b/svreg/BCI-DNI_brain_atlas/BCI-DNI_brain right -v1
Finished surface labeling 0:00
error reading /Volumes/Storage_backup/session_1/anat_1/mprage.left.mid.cortex.svreg.init.dfs
error reading /Volumes/Storage_backup/session_1/anat_1/mprage.right.mid.cortex.svreg.init.dfs