In my case, I did not do anything explicit to provoke this error -- it happened by itself after the desktop session started when booting a live image.
I'll try to provide some more information if I see it again, but I don't know how to reproduce the problem reliably.
In my case, I did not do anything explicit to provoke this error -- it happened by itself after the desktop session started when booting a live image.
I'll try to provide some more information if I see it again, but I don't know how to reproduce the problem reliably.