# \#data

**URL:** https://community.cdata.com/tag/data/285.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 …

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## [Excel Add-In: Inserting custom columns & calculating Excel formulas](https://community.cdata.com/t/excel-add-in-inserting-custom-columns-calculating-excel-formulas/436)

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**Author:** [@Skerdian\_Shehaj](https://community.cdata.com/u/Skerdian_Shehaj)\
**Replies:** 0\
**Last updated:** [October 5, 2023, 8:03pm UTC](https://community.cdata.com/t/excel-add-in-inserting-custom-columns-calculating-excel-formulas/436 "2023-10-05T20:03:54Z")

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If you encounter issues while incorporating Excel formulas (in custom columns) into worksheets containing data retrieved using the CData Excel Add-In, follow these steps for seamless integration: Ensure that you add th…