I tried to reply once, but seems it dissappeard. Apologies for duplicate if it shows up.

I'm having the same issue. I replaced a camera and cannot delete the old one. It will "delete" in the UI, but when I reopen, it is there again.

I'm having the same issue. Replaced a 360 degree camera that had multiple streams. Cannot delete one of those cameras. it will delete, but comes back every time I open the UI.