# Data Type not showing up in the instance

**URL:** <https://forum.inductiveautomation.com/t/data-type-not-showing-up-in-the-instance/44624>\
**Category:** Ignition\
**Created:** [March 18, 2021, 1:05pm UTC](https://forum.inductiveautomation.com/t/data-type-not-showing-up-in-the-instance/44624 "2021-03-18T13:05:01Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jfan](https://avatars.discourse-cdn.com/v4/letter/j/e8c25b/32.png) [@jfan](https://forum.inductiveautomation.com/u/jfan)\
**Post date:** [March 18, 2021, 1:05pm UTC](https://forum.inductiveautomation.com/t/data-type-not-showing-up-in-the-instance/44624/1 "2021-03-18T13:05:01Z")

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Hi All,

Has anyone ran into an issue where I created multiple float array data types in the UDT but they do not appear on the instance. The strange thing is that I was working with them yesterday but they all disappeared today. How do I resolve this? Thanks!