FYI similar errors logged in client error.log -- are the backend web services healthy and OK?

Duplicate of T165158 ?
Remember to search for existing bugs before filing new ones!

Always reproducible, unable to complete the conflict mission as a result unfortunately

In T164847#2318409, @jimjimjimjimjim wrote:

If you really want to just test the map vs AI then it seems to be stable (1h+) if running on PC connected to your own dedicated server.
Really easy: just download the server, start it and use direct connect to 127.0.0.1

In T164847#2318111, @Skully wrote:

reliably
/rɪˈlɪəbli/
adverb
in a consistently good or accurate way.

Unless you can predict to the second when a crash will occur or put in the exact steps which will cause the crash it is not considered a reliable reproduction. Until then it is an intermittent failure.

I'm afraid client logs will not provide more insight.

It is reliably (100%) reproducible here. Unable to complete a MP game yet.

Hair pinning would be preferable from a security perspective

Possibly related log entries, indicate the player disconnect may not be registering(?):

Possibly related: https://feedback.bistudio.com/T165064

AFAIK it doesn't need or use the steam query port, the server browser works over HTTP/REST