Hello FreeSurfer Developers,

I'm trying to pre-process some diffusion data based on the tutorial: https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/DiffusionV6.0

I am getting the following warning followed by the program hanging

--------------------------
Creating output directory /home1/am2359/fs6_data/fpeb_app_fs/fpeb001/dtrecon
Loading y from /home1/am2359/fs6_data/fpeb_app_fs/fpeb001/dtrecon/dwi-ec.nii.gz
   ... done reading.
MatrixReadTxT: could not scan value [1][1]

WARNING: matlab elment type is 1869357167, which is not a matrix.
could not allocate 543518770 x 1683973236 matrix

Cannot allocate memory
unsupported matlab format 1678398324 (unknown)

Cannot allocate memory
----------------------------------

I would greatly appreciate your assistance.

1) FreeSurfer version: freesurfer-Linux-centos6_x86_64-stable-pub-v6.0.0
2) Platform: CentOS release 6.9 (Final)
3) uname -a: Linux ariespet.med.yale.edu 2.6.32-696.el6.x86_64 #1 SMP Tue Mar 21 19:29:05 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
4) dt_recon.log: see attached