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.
Welcome to BEJE, these are our requirements in order for you to join us:
You must be at least 16 years of age
You must have a minimum of 100 play hours in either Euro Truck Simulator 2 or American Truck Simulator
You must use our tag in your TMP tag
During events and convoys you must use our paint jobs at all times
You must be respectful and friendly to everyone in TMP