# Error; "Library contains error"

**URL:** <https://forum.xod.io/t/error-library-contains-error/5527>\
**Category:** Hardware Interfacing Questions\
**Created:** [October 24, 2021, 12:30pm UTC](https://forum.xod.io/t/error-library-contains-error/5527 "2021-10-24T12:30:43Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![gweimer](https://avatars.discourse-cdn.com/v4/letter/g/a9adbd/32.png) [@gweimer](https://forum.xod.io/u/gweimer)\
**Post date:** [October 26, 2021, 1:45pm UTC](https://forum.xod.io/t/error-library-contains-error/5527/5 "2021-10-26T13:45:39Z")

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Since this is a built-in node, it should have been updated when you updated XOD. The fact that it wasn’t means you probably have a local copy of the library because you saved a change you made to one of the library nodes. You will need to find your ‘xod\ __lib_\_’ folder and remove or rename the xod folder in there. It is probably located in ‘c:\Users\<your\_login\>\xod\__ lib_\_\xod’. You will need to restart XOD after getting rid of this folder.

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