# \[Bug\] Ignition 8.1.7: missing tags in nested UDTs after a gateway restart **URL:** \ **Category:** Ignition\ **Created:** [July 5, 2021, 4:35am UTC](https://forum.inductiveautomation.com/t/bug-ignition-8-1-7-missing-tags-in-nested-udts-after-a-gateway-restart/48491 "2021-07-05T04:35:44Z")\ **Posts on this page:** 1\ **Showing post:** 17
**Author:** ![tgarrison](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/tgarrison/32/80965_2.png) [@tgarrison](https://forum.inductiveautomation.com/u/tgarrison)\ **Post date:** [January 16, 2026, 8:57pm UTC](https://forum.inductiveautomation.com/t/bug-ignition-8-1-7-missing-tags-in-nested-udts-after-a-gateway-restart/48491/17 "2026-01-16T20:57:58Z")
See this thread: > [@\[IGN-14657\]: UDT deletes standard tags after Gateway Restart](https://forum.inductiveautomation.com/t/ign-14657-udt-deletes-standard-tags-after-gateway-restart/73723/11): > > I would like to add to this and managed to replicate the issue. I have a UDT Definition created that has a parent UDT defined. If i go and create a copy of a tag that comes from the parent UDT, rename it and reconfigure, when i save the tag, it accepts it without issues and propagates to all my instances. The moment I reboot the tag provider, the changes disappear. I tried checking the logs but they are not showing any errors. If i create a new tag (instead of copying a tag from the parent UDT)… --- _[View the full topic](https://forum.inductiveautomation.com/t/bug-ignition-8-1-7-missing-tags-in-nested-udts-after-a-gateway-restart/48491)._