Forum Discussion
Ash003
Sep 29, 2026Copper Contributor
Long chats receive 504 gateway timeout in new copilot UI
I understand this has been an issue for a lot of people. I have read multiple posts across other platforms. The new copilot UI no longer uses pagination like the old one and attempts to call upon the...
Agath
Oct 09, 2026Copper Contributor
I’m experiencing the same issue after the latest Copilot update.
One very important conversation, containing several months of personal research and work, has become inaccessible and returns Error 504 every time I try to open it. All my other conversations still open normally.
I have already submitted three official support reports and have received no response.
This is not just an inconvenience: it means potentially losing access to months of valuable work. Has anyone found a solution, and can Microsoft confirm whether these conversations can be recovered?
Please don’t dismiss this as a minor UI issue. We need answers and, above all, our conversations back.