Dear CONN experts,

I'm trying to enter the fsaverage .annot files as ROI for my subject-specific surface analysis (as instructed in this post). However I'm encountering this ERROR message:

ERROR DESCRIPTION:

Error using nifti/create (line 26)
Unable to write header for "/data/ttngu207/Freesurfer_SUBJECTS_DIR/fsaverage/label/aparc.a2009s.surf.img".
Error in spm_create_vol>create_vol (line 182)
create(N);
Error in spm_create_vol (line 13)
v = create_vol(V(i));
Error in spm_write_vol (line 83)
V = spm_create_vol(V);
Error in conn_annot2nii (line 60)
spm_write_vol(V,reshape(data,dim));
Error in conn_getinfo (line 13)
filename=conn_annot2nii(filename);
Error in conn_file (line 3)
[V,str,icon,filename]=conn_getinfo(filename);
Error in conn (line 1543)
V=conn_file(deblank(filename(1,:)));
Error in conn_filesearchtool (line 74)
if length(h.callback)>1, feval(h.callback{1},h.callback{2:end},names); else, feval(h.callback{1},names); end
CONN v.15.g
SPM12 + DEM FieldMap MEEGtools
Matlab v.2013a
storage: 324.0Gb available

If anyone could perhaps point me to how to solve this problem, it would be of great help. Thank you.
Best,
Thinh Nguyen