Why does this happen so frequently - "An unexpected error occurred on our servers...."

[Colin]

Hey @droll

Looking up the request ID, the issue is the same as reported here:

[Bug] “Blob not found” internal error breaks multiple existing Agent chats

Where does the bug appear (feature/product)? Cursor IDE Describe the Bug Hi Cursor team, I’m an Ultra user and I’m currently running into an internal “Blob not found” error in Cursor Agent chat. Multiple existing/older chat threads can no longer be continued. When I try to send a message in those threads, Cursor briefly shows an error and the Agent cannot proceed. New chats appear to work, so this does not look like a general account, model, or network outage. It seems specific to existing ch…

We are working on some bug fixes for this right now! In the meantime, as you’ve experienced, starting a new chat is the way to get around this issue. Hope we’ll have this fixed up for good soon.