# An error when running fsi

**URL:** https://precice.discourse.group/t/an-error-when-running-fsi/1945
**Category:** Using preCICE
**Tags:** adapters
**Created:** [May 31, 2024, 9:49am UTC](https://precice.discourse.group/t/an-error-when-running-fsi/1945 "2024-05-31T09:49:46Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![ilovenili](https://yyz2.discourse-cdn.com/free1/user_avatar/precice.discourse.group/ilovenili/32/1663_2.png) [@ilovenili](https://precice.discourse.group/u/ilovenili)
#### Post date: [May 31, 2024, 9:49am UTC](https://precice.discourse.group/t/an-error-when-running-fsi/1945/1 "2024-05-31T09:49:46Z")

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HI:

 ![image](https://global.discourse-cdn.com/free1/uploads/precice/original/2X/2/230403577afa43e0d75cb1d91e77f48d5407e689.png)

how to solve this problem?

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### Author: ![IshaanDesai](https://yyz2.discourse-cdn.com/free1/user_avatar/precice.discourse.group/ishaandesai/32/1048_2.png) [@IshaanDesai](https://precice.discourse.group/u/IshaanDesai)
#### Post date: [May 31, 2024, 12:07pm UTC](https://precice.discourse.group/t/an-error-when-running-fsi/1945/2 "2024-05-31T12:07:22Z")

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You need to check if any of the data values you are providing to preCICE are `inf` or `NaN`, which are basically not defined numerical values that preCICE can work with.

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### Author: ![system](https://global.discourse-cdn.com/free1/uploads/precice/original/1X/67d2a5fa6f80e597e2267ff17fa8c1673cd11caa.svg) [@system](https://precice.discourse.group/u/system)
#### Post date: [June 5, 2024, 12:03pm UTC](https://precice.discourse.group/t/an-error-when-running-fsi/1945/3 "2024-06-05T12:03:54Z")

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