# OPC Tags Empty on Change

**URL:** <https://forum.inductiveautomation.com/t/opc-tags-empty-on-change/29140>\
**Category:** Ignition\
**Tags:** ignition79\
**Created:** [October 16, 2019, 9:43pm UTC](https://forum.inductiveautomation.com/t/opc-tags-empty-on-change/29140 "2019-10-16T21:43:01Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![SMcIntosh](https://avatars.discourse-cdn.com/v4/letter/s/a6a055/32.png) [@SMcIntosh](https://forum.inductiveautomation.com/u/SMcIntosh)\
**Post date:** [October 24, 2019, 7:10pm UTC](https://forum.inductiveautomation.com/t/opc-tags-empty-on-change/29140/2 "2019-10-24T19:10:13Z")

</div>

Fixed it in the end by restarting the OPC server. Seems to be the same issue as in this thread:  
[http://forum.inductiveautomation.com/t/opc-tags-not-working-in-designer/19345/5](http://forum.inductiveautomation.com/t/opc-tags-not-working-in-designer/19345/5)

However, that thread indicated that the root bug should have been fixed in 7.9.4 and later.

---

_[View the full topic](https://forum.inductiveautomation.com/t/opc-tags-empty-on-change/29140)._