Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Looks like a temporary error to me. Either your pi has some trouble accessing the internet or the server running at 151.101.120.162 is currently busy/down for maintenance/… I’d retry some time later