# Error to generate xpm2ps output

**URL:** <https://gromacs.bioexcel.eu/t/error-to-generate-xpm2ps-output/413>\
**Category:** User discussions\
**Created:** [July 2, 2020, 3:13am UTC](https://gromacs.bioexcel.eu/t/error-to-generate-xpm2ps-output/413 "2020-07-02T03:13:06Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Syahr](https://avatars.discourse-cdn.com/v4/letter/s/a87d85/32.png) [@Syahr](https://gromacs.bioexcel.eu/u/Syahr)\
**Post date:** [July 14, 2020, 5:32am UTC](https://gromacs.bioexcel.eu/t/error-to-generate-xpm2ps-output/413/2 "2020-07-14T05:32:55Z")

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> [@Syahr](#):
>
> Input error or input inconsistency:  
> Invalid XPixMap

What does this mean? It supposed to be correct xpm file generated by gromacs itself. any clues?

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