# Issue with mtnormalise: Non-positive tissue balance factor error

**URL:** <https://community.mrtrix.org/t/issue-with-mtnormalise-non-positive-tissue-balance-factor-error/7648>\
**Category:** Uncategorized\
**Created:** [May 20, 2024, 8:38pm UTC](https://community.mrtrix.org/t/issue-with-mtnormalise-non-positive-tissue-balance-factor-error/7648 "2024-05-20T20:38:51Z")\
**Posts on this page:** 1\
**Showing post:** 3

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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:** [July 11, 2024, 7:27am UTC](https://community.mrtrix.org/t/issue-with-mtnormalise-non-positive-tissue-balance-factor-error/7648/3 "2024-07-11T07:27:24Z")

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Hi @polivaoren,

Have you checked your issue isn’t the same as [described in this post](https://community.mrtrix.org/t/mtnormalise-nan-values-as-balance-factors/4552/16)?

All the best,  
Donald

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_[View the full topic](https://community.mrtrix.org/t/issue-with-mtnormalise-non-positive-tissue-balance-factor-error/7648)._