# \[BUG\] 7.9.14 Editing nested UDT instance parameters within UDT edits ALL similar nested UDT parameters

**URL:** <https://forum.inductiveautomation.com/t/bug-7-9-14-editing-nested-udt-instance-parameters-within-udt-edits-all-similar-nested-udt-parameters/35582>\
**Category:** Ignition\
**Created:** [June 12, 2020, 7:24am UTC](https://forum.inductiveautomation.com/t/bug-7-9-14-editing-nested-udt-instance-parameters-within-udt-edits-all-similar-nested-udt-parameters/35582 "2020-06-12T07:24:02Z")\
**Posts on this page:** 1\
**Page:** 1

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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:** [June 12, 2020, 7:24am UTC](https://forum.inductiveautomation.com/t/bug-7-9-14-editing-nested-udt-instance-parameters-within-udt-edits-all-similar-nested-udt-parameters/35582/1 "2020-06-12T07:24:02Z")

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v.7.9.14

Affects all instances of the recently copied and pasted UDT instance, including the instance copied.  
When saved however, the changes only seem to be made correctly to the instance you modified.

 ![Nested UDT Parameter overwriting on ALL instances](https://us1.discourse-cdn.com/inductiveautomation/original/2X/0/0ee3fb6113974839b7907a5252a23955cffd5c4f.gif)