void OnAuthError(object sender, agsXMPP.Xml.Dom.Element e)
{
var builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendErrorText(_("Authentication failed, either username does not exist or invalid password"));
Session.AddMessageToChat(NetworkChat, builder.ToMessage());
builder = CreateMessageBuilder();
builder.AppendEventPrefix();
builder.AppendMessage(_("If you want to create an account with the specified user and password, type /register now"));
Session.AddMessageToChat(NetworkChat, builder.ToMessage());
}