Hello
I am trying to run the isxconcat-sess command. I keep getting the following error.
It looks like it can not create this --mask-lh.mgh file, actually even DA1_coll250250-col250250 directory does not exist. Any ideas?

Thanks

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/home/melifs/freesurfer/sessions/coll250250_study
mri_vol2surf --mov /home/melifs/freesurfer/sessions/coll250250/DA1_coll250250/bold/coll250250///mask.nii --reg /home/melifs/freesurfer/sessions/coll250250/DA1_coll250250/bold/register.dat --trgsubject fsaverage --hemilh --interp nearest --noreshape --projfrac 0.5 --projfrac-avg 0 1 .2 --o ./coll250250/tmp-isxconcat0.5391-sess/DA1_coll250250-coll250250/--mask-lh.mgh
srcvol = /home/melifs/freesurfer/sessions/coll250250/DA1_coll250250/bold/coll250250///mask.nii
srcreg = /home/melifs/freesurfer/sessions/coll250250/DA1_coll250250/bold/register.dat
srcregold = 0
srcwarp unspecified
surf = white
hemi = lh
trgsubject = fsaverage
surfreg = sphere.reg
ProjFrac = 0.5
thickness = thickness
interp = nearest
float2int = round
GetProjMax = 0
INFO: float2int code = 0
Done loading volume
Reading surface /home/melifs/freesurfer/subjects/DA1/surf/lh.white
Done reading source surface
Reading thickness /home/melifs/freesurfer/subjects/DA1/surf/lh.thickness
Done
Mapping Source Volume onto Source Subject Surface
 1 0 0 1
vol2surf_linear: nhits = 136215/136215
 2 0.2 0 1
vol2surf_linear: nhits = 136215/136215
 3 0.4 0 1
vol2surf_linear: nhits = 136215/136215
 4 0.6 0 1
vol2surf_linear: nhits = 136215/136215
 5 0.8 0 1
vol2surf_linear: nhits = 136215/136215
Done mapping volume to surface
Number of source voxels hit = 8269
Reading source surface registration
  /home/melifs/freesurfer/subjects/DA1/surf/lh.sphere.reg
Done loading source registration surface
Reading target registration
   /home/melifs/freesurfer/subjects/fsaverage/surf/lh.sphere.reg
Done loading target registration surface
Mapping Surfaces (DA1 -> fsaverage)
surf2surf_nnfr: building source hash (res=16).
Surf2Surf: Forward Loop (163842)

surf2surf_nnfr: building target hash (res=16).
Surf2Surf: Reverse Loop (136215)
Reverse Loop had 26091 hits
Surf2Surf: Dividing by number of hits (163842)
INFO: nSrcLost = 0
Done mapping surfaces
mghWrite(./coll250250/tmp-isxconcat0.5391-sess/DA1_coll250250-coll250250/--mask-lh.mgh, -1): could not open file
nSrc121 = 94106, nSrcLost =     0, nSrcMulti = 42109, MnSrcMultiHits = 2.27569
nTrg121 = 146432, nTrgMulti = 17410, MnTrgMultiHits = 2.49862
Writing to ./coll250250/tmp-isxconcat0.5391-sess/DA1_coll250250-coll250250/--mask-lh.mgh
Dim: 163842 1 1
------------------------------------
....

/home/melifs/freesurfer/sessions/coll250250_study
mri_concat ./coll250250/tmp-isxconcat0.5391-sess/DA1_coll250250-coll250250/--mask-lh.mgh ./coll250250/tmp-isxconcat0.5391-sess/BC4_coll250250-coll250250/--mask-lh.mgh ./coll250250/tmp-isxconcat0.5391-sess/MB2_coll250250-coll250250/--mask-lh.mgh ./coll250250/tmp-isxconcat0.5391-sess/AJ_coll250250-coll250250/--mask-lh.mgh ./coll250250/tmp-isxconcat0.5391-sess/BG_coll250250-coll250250/--mask-lh.mgh ./coll250250/tmp-isxconcat0.5391-sess/MBA_coll250250-coll250250/--mask-lh.mgh ./coll250250/tmp-isxconcat0.5391-sess/GC_coll250250-coll250250/--mask-lh.mgh --o ./coll250250//lh.masks.nii
mghRead(./coll250250/tmp-isxconcat0.5391-sess/DA1_coll250250-coll250250/--mask-lh.mgh, -1): could not open file
ninputs = 7
Checking inputs
ERROR: reading ./coll250250/tmp-isxconcat0.5391-sess/DA1_coll250250-coll250250/--mask-lh.mgh