I get massive lag spikes and eventually that msg. Is it just on "Alexander" server or is it on all servers? Its fucking annoying.

This message happen when you press or spamm to many keys at the same time.

Don't click or press keyboard as a mad guys when lag happen may fix your problem.

Well. I don't spam It happens when I pvp usually, Guess I click my skills too fast for sro to pay attention then -.-

Yep, by spamming key, i was meaning "typing on keyboard too fast".