SCS have released version 1.41 for American Truck Simulator and Euro Truck Simulator 2.
TruckersMP is currently NOT compatible with these updates. In order to play TruckersMP, you will need to downgrade your game to the temporary_1_40 branch.
Check out this article for information on how to downgrade your game.
4: At least 16 years old
5: YY can hear the conductor, not necessarily speak.
6: Follow the rules of truckersmp
7: Collect and archive
8： Welcome to join us