Hello @FlokiCreez!
First of all, congratulations on making your first post within the Help section of the TruckersMP Forums!
I am SammyCat, a Retired Staff member here at TruckersMP, and will gladly assist you with your problem today.
Have you entered your email address and/or password in correctly? If so, and you are still experiencing these issues, you may want to venture over to https://truckersmp.com/support and file a ticket with the amazing support team there.
I do hope that this helps, as it will help you out a lot with recovering your account within TruckersMP as they help with account issues daily!
Sincerely,
SammyCat