Hi,
The title says the issue.
"Connection refused. You are not owner of some DLC you use"
My DLCs are linked to my TruckersMP profile. (In total 46 DLC)
I do not own any cracked DLC.
I verified game files with Steam after deleting dlc files inside the installation path.
I noticed something. I do not have any paint job DLC but when I open the game with TruckersMP launcher it activates them.
If I open the original version they are not activated.