Bug Underscore in In-game-name prevents login, on most servers.

[Mongol_]

When I use "Mongol_" in my IGN instead of "Mongol" I get this:

 

[AndyP]

This should be a problem with your uplink credentials, not the In-game-name.

May you name me a server where this happens, and I'll investigate that.

(Checked 3 servers, and could not make this error happen. So Ingame-name is not the only cause)

- Andy