# What is 'ignoring duplicate instance function' ?

**URL:** https://discourse.paraview.org/t/what-is-ignoring-duplicate-instance-function/15098
**Category:** Development
**Created:** [July 22, 2024, 8:50am UTC](https://discourse.paraview.org/t/what-is-ignoring-duplicate-instance-function/15098 "2024-07-22T08:50:50Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![joint](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/j/dc4da7/32.png) [@joint](https://discourse.paraview.org/u/joint)
#### Post date: [July 22, 2024, 8:50am UTC](https://discourse.paraview.org/t/what-is-ignoring-duplicate-instance-function/15098/1 "2024-07-22T08:50:50Z")

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Hello dear Paraview developers!

I faced ‘ignoring duplicate instance function ’ error message  
What does it mean and how to fix it?

Thanks!

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [August 8, 2024, 7:46am UTC](https://discourse.paraview.org/t/what-is-ignoring-duplicate-instance-function/15098/2 "2024-08-08T07:46:04Z")

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where do you get this ?