Dear FreeSurfer experts,

my idea was to put the eTIV as a variable in qdec. I have put this in my qdec.table.dat and when I run qdec and choose eTIV as variable I get the following error and qdec closes some seconds later automatically:


Creating output directory /Users/dolphinede/Desktop/Probanden/qdec/Untitled
Loading y from /Users/dolphinede/Desktop/Probanden/qdec/Untitled/y.mgh
INFO: gd2mtx_method is dods
Saving design matrix to /Users/dolphinede/Desktop/Probanden/qdec/Untitled/Xg.dat
Normalized matrix condition is 389.695
Matrix condition is 1e+08
Found 148151 points in label.
Pruning voxels by thr: 0.000000
Found 148142 voxels in mask
Saving mask to /Users/dolphinede/Desktop/Probanden/qdec/Untitled/mask.mgh
Reshaping mriglm->mask...
search space = 73700.662359
DOF = 77
Starting fit and test
Fit completed in 0.0607667 minutes
Computing spatial AR1 on surface
Residual: ar1mn=0.995148, ar1std=0.005328, gstd=5.802773, fwhm=13.664487
Writing results
 lh-Avg-Intercept-thickness
   maxvox sig=35.9893  F=546.618  at  index 1515 0 0    seed=1319335878
 lh-Avg-thickness-eTIV-Cor
   maxvox sig=6.48644  F=31.2833  at  index 51144 0 0    seed=1319335878
mri_glmfit done
ninputs = 2
Checking inputs
nframestot = 2
Allocing output
Done allocing
nframes = 2
Writing to /Users/dolphinede/Desktop/Probanden/qdec/Untitled/contrasts.sig.mgh
reading colortable from annotation file...
colortable with 36 entries read (originally /autofs/space/terrier_001/users/nicks/freesurfer/average/colortable_desikan_killiany.txt)
reading colortable from annotation file...
colortable with 36 entries read (originally /autofs/space/terrier_001/users/nicks/freesurfer/average/colortable_desikan_killiany.txt)
gdfReadHeader: reading /Users/dolphinede/Desktop/Probanden/qdec/Untitled/y.fsgd
INFO: ignoring tag Creator
INFO: ignoring tag SUBJECTS_DIR
INFO: ignoring tag SynthSeed
INFO: NOT demeaning continuous variables
Continuous Variable Means (all subjects)
0 eTIV 1.45233e+06 147517
Class Means of each Continuous Variable
1 Main 1452332.4051
MatrixMultiply: m1 is null!

No such file or directory


I have no idea what is wrong.


Best regards

Daniel Klein