# \[bug-4173\]Alarms Tag structured changed with 8.1?

**URL:** <https://forum.inductiveautomation.com/t/bug-4173-alarms-tag-structured-changed-with-8-1/50141>\
**Category:** Ignition\
**Created:** [August 20, 2021, 2:49pm UTC](https://forum.inductiveautomation.com/t/bug-4173-alarms-tag-structured-changed-with-8-1/50141 "2021-08-20T14:49:00Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![nminchin](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/nminchin/32/6911_2.png) [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\
**Post date:** [August 20, 2021, 8:36pm UTC](https://forum.inductiveautomation.com/t/bug-4173-alarms-tag-structured-changed-with-8-1/50141/5 "2021-08-20T20:36:38Z")

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These might be useful as well to know

> [@Undocumented changes when migrating from v7 to v8](https://forum.inductiveautomation.com/t/undocumented-changes-when-migrating-from-v7-to-v8/38044):
>
> Just some items I’ve found during v7 to v8 upgrades that may not be documented (some of them might be) and can cause hiccups (and quite a bit of work, relatively speaking!). The official guide to upgrading from IA is [here](https://docs.inductiveautomation.com/display/DOC81/Ignition+8+Upgrade+Guide). Tags: UDT v7 property UDTParentType has been renamed in v8 to TypeId Tag quality string values have changed. E.g. EDITED FOR 8.1.10 below 8.1.10 “Not Found” ==\> “Bad\_NotFound”; “Disabled” ==\> “Bad\_Disabled”; 8.1.10 and above “Bad\_NotFound(Error description…)”, “Bad\_ErrorC…

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