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
Older than 16 years old
The microphone is clear and can use YY voice.
Good driving skills
There are genuine European truck simulation 2 game accounts
the rules of TruckersMP must be strictly observed.