We lost the page configuration URLs after a tag import and again after a UDT import from a related gateway.
Testing showed that a cause of this URL loss is on importing tags -> interactive -> select files -> APPLY -> then OK. If OK is clicked without first clicking APPLY, the URLs disappear.
It is absolutely necessary to select APPLY, then OK on interactive tag/UDT imports.
Same thing has been happening to me frequently over the past few months. I'm aware of the issue and always check the Perspective Page URL Configuration before start making any changes.
Today, I merged the gateway into the project, closed the Designer without saving, and then reopened it. Everything was back to normal. My guess is that this may be a glitch that occurs while the project is loading. Has anyone identified a permanent fix for this issue yet? Currently using Ignition Edge version 8.1.50.