public ServerAlreadyInstalled(int _serverId) {
super(ServerAlreadyInstalledHelper.id());
serverId = _serverId;
} // ctor
public ServerAlreadyInstalled(String $reason, int _serverId) {
super(ServerAlreadyInstalledHelper.id() + " " + $reason);
serverId = _serverId;
} // ctor
public ServerAlreadyInstalled() {
super(ServerAlreadyInstalledHelper.id());
} // ctor