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Hello,

I am attempting to run white matter tractography using TRACULA, as described in the tutorial, however, using my own data and brain parcellation acquired using external algorithm. I have put the aparc+aseg.mgz file in the subject directory in folder mri but I am getting the following error: Error : No image files match: /diffusion/root/subject/visit/dlabel/diff/aparc+aseg_mask.bbr

The error occurs when running  the tensor fit step using the prep command: trac-all -c config_file -prep

As described in the trac-all documentation (https://secure-web.cisco.com/1OCcv-f3jRdcpwsIbW4XJ0lMpQY1t0rNu6Ec3x47wJ56GOI...), the file aparc+aseg_mask.bbr was supposed to be created by the intra step which comes before tensor-fit but upon checking nothing is created. I have also tried running only that specific step using trac-all -intra but nothing is created either.

I've searched the list and no similar errors have been reported. Does anyone have any thoughts on how to troubleshoot this one?

1) FreeSurfer version:   freesurfer-7.3.2

2) Platform: ubuntu-22.04.02