# There are inconsistent shifts over periodic boundaries in a molecule type consisting of 31 atoms. Th

**URL:** <https://gromacs.bioexcel.eu/t/there-are-inconsistent-shifts-over-periodic-boundaries-in-a-molecule-type-consisting-of-31-atoms-th/9798>\
**Category:** User discussions\
**Tags:** mdrun\
**Created:** [August 1, 2024, 11:51pm UTC](https://gromacs.bioexcel.eu/t/there-are-inconsistent-shifts-over-periodic-boundaries-in-a-molecule-type-consisting-of-31-atoms-th/9798 "2024-08-01T23:51:46Z")\
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**Author:** ![Karis](https://avatars.discourse-cdn.com/v4/letter/k/ed8c4c/32.png) [@Karis](https://gromacs.bioexcel.eu/u/Karis)\
**Post date:** [August 6, 2024, 9:40am UTC](https://gromacs.bioexcel.eu/t/there-are-inconsistent-shifts-over-periodic-boundaries-in-a-molecule-type-consisting-of-31-atoms-th/9798/2 "2024-08-06T09:40:02Z")

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This error has multiple possible causes so it’s difficult to answer without more details on how the simulation was setup. This [post](https://gromacs.bioexcel.eu/t/how-to-solve-inconsistent-shifts-over-periodic-boundaries-in-protein-dna-run-in-minimization-step/1758) might be helpful

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