# There were ... inconsistent shifts. Check your topology

**URL:** <https://gromacs.bioexcel.eu/t/there-were-inconsistent-shifts-check-your-topology/720>\
**Category:** User discussions\
**Created:** [August 28, 2020, 6:47am UTC](https://gromacs.bioexcel.eu/t/there-were-inconsistent-shifts-check-your-topology/720 "2020-08-28T06:47:35Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![mijiddorj](https://avatars.discourse-cdn.com/v4/letter/m/779978/32.png) [@mijiddorj](https://gromacs.bioexcel.eu/u/mijiddorj)\
**Post date:** [August 28, 2020, 6:47am UTC](https://gromacs.bioexcel.eu/t/there-were-inconsistent-shifts-check-your-topology/720/1 "2020-08-28T06:47:35Z")

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Dear GMX users,

I performed MD simulations of a system that consists of a polymer and amorphic silica. The silica structure was selected from INTERFACEFF database. I used the PBC condition along with all directions.

The simulations were completed without any problem. However, many inconsistent shifts occurred.  
I have 2 questions.

1. How can I treat this inconsistent shift?
2. Is there any other silica parameter that can I use alternatively?

Best regards,

Mijiddorj

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**Author:** ![mj.rezayani](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/mj.rezayani/32/3918_2.png) [@mj.rezayani](https://gromacs.bioexcel.eu/u/mj.rezayani)\
**Post date:** [August 16, 2024, 4:01pm UTC](https://gromacs.bioexcel.eu/t/there-were-inconsistent-shifts-check-your-topology/720/3 "2024-08-16T16:01:01Z")

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Dear,

Did you solve your problem? I have a similar problem for Zeolite