Dear all,

The error message I receive while trying to run the connectivity analysis in conn toolbox occurs at step 5/7, while importing the ROIs. It reads as follows:

ERROR DESCRIPTION:

Error using nifti/subsasgn>assigndat (line 384)
Unknown filename extension (.nii,1).
Error in nifti/subsasgn>fun (line 76)
obj = assigndat(obj,val);
Error in nifti/subsasgn (line 20)
obji = fun(obji,subs,val);
Error in spm_create_vol>create_vol (line 79)
N.dat = dat;
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_process (line 619)
V0.fname=conn_prepend('e',CONN_x.Setup.rois.files{nsub}{nroi}{nses}{1});spm_write_vol(V0,X1);
Error in conn_process (line 15)
case 'setup', disp(['CONN: RUNNING SETUP STEP']); conn_process([0:4,4.5,5]);
Error in conn (line 1122)
else conn_process(psteps);
Error in conn_menumanager (line 120)
feval(CONN_MM.MENU{n0}.callback{n1}{1},CONN_MM.MENU{n0}.callback{n1}{2:end});
CONN v.17.b
SPM12 + ArtRepair DEM Diffusion FieldMap LI MEEGtools TFCE Variability Volumes aal bspmview cat12 marsbar mfp rwls tsdiffana
Matlab v.2013a
storage: 342.6Gb available
Warning: Contents.m overloaded by version in folder /opt/software/spm/spm12_toolboxes/cat12
Warning: spm_check_version.m overloaded by version in folder /opt/software/spm/spm8/toolbox/PPPI

I hope someone can provide some useful advice.

Best,
Lavinia Uscatescu