Our ReVolt Pub

Hi guys,
I wanted to play online with a friend of mine but I got this error and thus I couldn't connect to him. What is wrong? Can anybody help me out?

I'm using the latest 1.2 alpha. We turned packed optimization to "latency" and we disabled DirectPlay.

I used to get this error on Hamachi. It's related to some router/firewall problem, typically seen when trying to join by the multiplayer menu.

Disable Windows Firewall temporarily in both computers (or add Re-Volt & your lobby launcher program to the Firewall Exceptions List) and try again.

If previous thing didn't work, open Re-Volt ports in your router (and your friend's router too). These ports are:
TCP&UDP 2300-2400
TCP&UDP 47624

If this is done properly, it should do the job. If not, you can still try using the DMZ feature of your router.