Hi!<div>I am running tracula for the first time and I am encountering the following error:</div><div><br></div><div><div>Loading brain mask of output subject from /Users/Natalia/Desktop/freesurfer/subjects/Justin/cJD/dlabel/mni/lowb_brain_mask.flt.nii.gz</div>

<div>niiRead(): error opening file /Users/Natalia/Desktop/freesurfer/subjects/Justin/cJD/dlabel/mni/lowb_brain_mask.flt.nii.gz</div><div>Loading FA map of output subject from /Users/Natalia/Desktop/freesurfer/subjects/Justin/cJD/dmri/mni/dtifit_FA.flt.nii.gz</div>

<div>niiRead(): error opening file /Users/Natalia/Desktop/freesurfer/subjects/Justin/cJD/dmri/mni/dtifit_FA.flt.nii.gz</div><div>Segmentation fault </div><div>Darwin <a href="http://dhcp-165-124-9-95.phystherapy.northwestern.edu">dhcp-165-124-9-95.phystherapy.northwestern.edu</a> 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun  7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386 i386</div>

<div><br></div><div>trac-preproc exited with ERRORS at Fri Aug 10 16:19:17 CDT 2012</div><div><br></div><div><br></div><font face="trebuchet ms, sans-serif">what file is l</font>owb_brain_mask.flt.nii.gz? should this have been created during tracula or is this file my nodiff image?</div>

<div><br></div><div>Thanks!</div><div><br></div><div><br><font color="#999999" style="font-family:&#39;trebuchet ms&#39;,sans-serif"><b>-- Natalia Sánchez<br></b><font size="1">    PhD Candidate</font><br><font size="1">    Departments of Biomedical Engineering &amp;</font><br>

<font size="1">
    Physical Therapy and Human Movement Sciences</font></font><div><font color="#999999" face="trebuchet ms, sans-serif"><font size="1">    Northwestern University<br>    645 North Michigan Ave, Suite 1100<br>
    Chicago, IL 60611</font><br></font><br><div style="display:inline"></div><div style="display:inline"></div><div style="display:inline"></div></div><br>
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