# Tag Group Error After Project Upgrade from 7.8 to 8.1 – Works on Local PC but Fails on Customer Gateway

**URL:** <https://forum.inductiveautomation.com/t/tag-group-error-after-project-upgrade-from-7-8-to-8-1-works-on-local-pc-but-fails-on-customer-gateway/112449>\
**Category:** Ignition\
**Tags:** vision\
**Created:** [November 26, 2025, 12:18pm UTC](https://forum.inductiveautomation.com/t/tag-group-error-after-project-upgrade-from-7-8-to-8-1-works-on-local-pc-but-fails-on-customer-gateway/112449 "2025-11-26T12:18:38Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![robertm](https://avatars.discourse-cdn.com/v4/letter/r/ea5d25/32.png) [@robertm](https://forum.inductiveautomation.com/u/robertm)\
**Post date:** [November 26, 2025, 1:43pm UTC](https://forum.inductiveautomation.com/t/tag-group-error-after-project-upgrade-from-7-8-to-8-1-works-on-local-pc-but-fails-on-customer-gateway/112449/2 "2025-11-26T13:43:09Z")

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Known issue:

> [@"Tag Group Invalid" Error in Ignition tags](https://forum.inductiveautomation.com/t/tag-group-invalid-error-in-ignition-tags/67839):
>
> I've exported and imported tags from one project to another and also added necessary tag groups in new project. But getting "Tag Group Invalid" error even though the tag group is present. May I know what should I check?

I had the same occurrence. My solution was to just rename the tag group and it started working.

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