Hi Freesurfer,

I ran into the following error when running make_average_subject. The following output is shown after make_average_surface is done.

/Volumes/fMRI/Scanner_Data
setenv SUBJECTS_DIR /Volumes/fMRI/Scanner_Data/
sdout /Volumes/fMRI/Scanner_Data/
mri_convert /Volumes/fMRI/Scanner_Data//P022/output/mri/orig.mgz /Volumes/fMRI/Scanner_Data//average/tmp/make_average_vol-tmp-87329/orig-P022/output.mgh --apply_transform /Volumes/fMRI/Scanner_Data//P022/output/mri/transforms/talairach.xfm -oc 0 0 0
mri_convert /Volumes/fMRI/Scanner_Data//P022/output/mri/orig.mgz /Volumes/fMRI/Scanner_Data//average/tmp/make_average_vol-tmp-87329/orig-P022/output.mgh --apply_transform /Volumes/fMRI/Scanner_Data//P022/output/mri/transforms/talairach.xfm -oc 0 0 0 
$Id: mri_convert.c,v 1.179.2.7 2012/09/05 21:55:16 mreuter Exp $
reading from /Volumes/fMRI/Scanner_Data//P022/output/mri/orig.mgz...
TR=2200.00, TE=4.26, TI=1200.00, flip angle=9.00
i_ras = (-1, -1.16415e-10, 1.27329e-11)
j_ras = (1.0732e-10, -7.26432e-08, -1)
k_ras = (3.49246e-10, 1, -7.07805e-08)
INFO: Reading transformation from file /Volumes/fMRI/Scanner_Data//P022/output/mri/transforms/talairach.xfm...
Reading transform with LTAreadEx()
INFO: Applying transformation from file /Volumes/fMRI/Scanner_Data//P022/output/mri/transforms/talairach.xfm...
---------------------------------
INFO: Transform Matrix (linear_ras_to_ras)
 1.182   0.047  -0.032  -0.505;
-0.064   1.202   0.238   18.683;
 0.093  -0.236   1.271  -31.892;
 0.000   0.000   0.000   1.000;
INFO: Transform dst volume info is not used (valid flag = 0).
INFO: LTA dst geometry information missing!
      We assume that the dst volume passed is the
      same as the dst for the transform.
INFO: LTA src geometry information missing!
      We assume that the src volume passed is the
      same as the src for the transform.
mghWrite(/Volumes/fMRI/Scanner_Data//average/tmp/make_average_vol-tmp-87329/orig-P022/output.mgh, -1): could not open file
---------------------------------
Applying LTAtransformInterp (resample_type 1)
writing to /Volumes/fMRI/Scanner_Data//average/tmp/make_average_vol-tmp-87329/orig-P022/output.mgh...
ERROR: failure writing /Volumes/fMRI/Scanner_Data//average/tmp/make_average_vol-tmp-87329/orig-P022/output.mgh
/Volumes/fMRI/Scanner_Data
ERROR: mri_convert failed.
ERROR: make_average_volume


Thank you very much in advance for helping out! Best,
Qijing