I got kicked out of a server. I don't know why.

In the console it said "cause=11" and "Nub destroyed". Those were the only indications I got for why the connection was lost. Does anyone know if this is a random connection error, or if I was kicked out for some reason like an anti-cheat false positive? The map was Lighthouse, I was sniping from the lighthouse and had about 12 kills, 0 deaths and a pretty high accuracy (probably over 50).

cheers