# Error when connecting to opcua server from uaexpert

**URL:** <https://forum.inductiveautomation.com/t/error-when-connecting-to-opcua-server-from-uaexpert/69839>\
**Category:** Ignition\
**Tags:** ignition79\
**Created:** [February 14, 2023, 4:36pm UTC](https://forum.inductiveautomation.com/t/error-when-connecting-to-opcua-server-from-uaexpert/69839 "2023-02-14T16:36:12Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![prashants](https://avatars.discourse-cdn.com/v4/letter/p/a87d85/32.png) [@prashants](https://forum.inductiveautomation.com/u/prashants)\
**Post date:** [February 14, 2023, 4:36pm UTC](https://forum.inductiveautomation.com/t/error-when-connecting-to-opcua-server-from-uaexpert/69839/1 "2023-02-14T16:36:13Z")

</div>

We got this error log when 3rd party client trying to connect to ignition opc ua server using ua expert.  
Anyone know what the issue is and how to fix this issue?

 ![Screenshot 2023-02-14 103019](https://us1.discourse-cdn.com/inductiveautomation/original/3X/d/9/d997e6e49b732d6b95aafbb05d394338e382b5b6.png)