I've been editing my site today and everything worked fine, until 1 hour ago. Since then, I can't publish my website - the publish process is either stuck, and in the rare cases it says it's published - changes are not saved and reflected when I re open the site editor.
Screen shot:

I tried to exit the editor and re open it, and this happens every time for the past 40 minutes.
If I'm waiting long enough for the publish process (a few minutes), I get this error:

FWIW, this has happened to me maybe two or three times. In each case, it has resolved itself in maybe thirty minutes, after I simply closed down and went to do something else for a while.
I don't recall seeing the 'contact us with these details' part of the message. Have you done that?
Hi Georgie,
I’ve just update both of my sites and there’s been no problem. A little slow maybe but no errors.
Maybe try on another device.