# \#validation-error

**URL:** https://forum.uipath.com/tag/validation-error/4764.md

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## [Can anybody explain me how I'm supposed to find the source of this error?](https://forum.uipath.com/t/can-anybody-explain-me-how-im-supposed-to-find-the-source-of-this-error/718008)

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**Author:** [@pere](https://forum.uipath.com/u/pere)\
**Replies:** 6\
**Last updated:** [February 8, 2024, 9:45am UTC](https://forum.uipath.com/t/can-anybody-explain-me-how-im-supposed-to-find-the-source-of-this-error/718008 "2024-02-08T09:45:52Z")

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If Studio tells me there’s an error, I double click on it but it doesn’t take me to the place, how amb I supposed to find what it’s talking about??

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## [Validation Error - Cannot create unknown type](https://forum.uipath.com/t/validation-error-cannot-create-unknown-type/717497)

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**Author:** [@HongYee\_Gan](https://forum.uipath.com/u/HongYee_Gan)\
**Replies:** 2\
**Last updated:** [February 6, 2024, 9:03am UTC](https://forum.uipath.com/t/validation-error-cannot-create-unknown-type/717497 "2024-02-06T09:03:08Z")

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Hi, I have this UiPath studio robot. It was running fine until recently (2024 onwards). There was an error when i try to run directly by clicking the running button. error: Inbox\_Email\_Extraction.xaml: Cannot create un…