# Bad\_NotFound in Perspective session

**URL:** <https://forum.inductiveautomation.com/t/bad-notfound-in-perspective-session/109138>\
**Category:** Ignition\
**Tags:** perspective\
**Created:** [July 30, 2025, 1:10pm UTC](https://forum.inductiveautomation.com/t/bad-notfound-in-perspective-session/109138 "2025-07-30T13:10:52Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![hulla](https://avatars.discourse-cdn.com/v4/letter/h/49beb7/32.png) [@hulla](https://forum.inductiveautomation.com/u/hulla)\
**Post date:** [July 30, 2025, 1:10pm UTC](https://forum.inductiveautomation.com/t/bad-notfound-in-perspective-session/109138/1 "2025-07-30T13:10:52Z")

</div>

When I navigate through my project the data stop flowing. Some session properties and some system tags. When I hit F5, it works again. Can I make this more reliable?

Ignition State: [System]Gateway/OPC/Connections/OPC Router Dev NTB/State  
User: session.props.auth.user.userNam

 ![Screenshot From 2025-07-30 14-59-52](https://us1.discourse-cdn.com/inductiveautomation/original/3X/c/b/cb042cca1686069e51bedd6c75df23f6630cf886.png)