# Dwi2response error -voxels command not recognized

**URL:** <https://community.mrtrix.org/t/dwi2response-error-voxels-command-not-recognized/4339>\
**Category:** Uncategorized\
**Created:** [December 1, 2020, 12:35pm UTC](https://community.mrtrix.org/t/dwi2response-error-voxels-command-not-recognized/4339 "2020-12-01T12:35:16Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![jdtournier](https://community.mrtrix.org/user_avatar/community.mrtrix.org/jdtournier/32/2594_2.png) [@jdtournier](https://community.mrtrix.org/u/jdtournier)\
**Post date:** [December 6, 2020, 3:04pm UTC](https://community.mrtrix.org/t/dwi2response-error-voxels-command-not-recognized/4339/6 "2020-12-06T15:04:00Z")

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No problem there – but looking at your screenshots more closely, I think this might be the dreaded long dash problem again! See [this post for details](https://community.mrtrix.org/t/trouble-with-mrmath/4158/2)…

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_[View the full topic](https://community.mrtrix.org/t/dwi2response-error-voxels-command-not-recognized/4339)._