TruckersMP does not support the latest game version of Euro Truck Simulator 2 or American Truck Simulator yet.
Check out the following guide on how to downgrade so you can keep playing on multiplayer:
How to downgrade
At about 17:00 CET an unauthorized user gained access to the forum database which contains usernames, passwords and email addresses. We got notified about the breach about 17:30 and proceeded...25 Feb 2016 19:39 UTC | Community Management
Hello, new update is here. **Changelog:** * Support for American Truck Simulator : 220.127.116.11s version [d3f6ead39fcf] * Fixed problems with exception handler (unneccessary crashes) Happy trucking! *mwl4*16 Feb 2016 10:18 UTC | mwl4
As you can see as you open our forums, the forums have been restructured to give space for American Truck Simulator Multiplayer as well as Euro Truck Simulator 2 Multiplayer....02 Feb 2016 18:33 UTC | Community Management
Welcome to the new site for TruckersMP (previously Euro Truck Simulator 2 Multiplayer or ETS2MP). Our amazing web developers have put in months of work to get this website together...30 Jan 2016 07:55 UTC | Community Management