# \#vba

**URL:** https://community.cdata.com/tag/vba/288.md

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## [Excel Add-In: “Compile error: User-defined type not defined” when running VBA script.](https://community.cdata.com/t/excel-add-in-compile-error-user-defined-type-not-defined-when-running-vba-script/437)

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**Author:** [@Skerdian\_Shehaj](https://community.cdata.com/u/Skerdian_Shehaj)\
**Replies:** 0\
**Last updated:** [October 5, 2023, 9:00pm UTC](https://community.cdata.com/t/excel-add-in-compile-error-user-defined-type-not-defined-when-running-vba-script/437 "2023-10-05T21:00:15Z")

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If you are encountering this issue, it is most likely because you have not added the CData Excel Add-In as a reference in your Visual Basic module/script. To add the CData Excel Add-In as a reference, please follow …