Assetto corsa server doesn't start

[AX12]

Hi, this is my first time setting up a server in assetto corsa, I watched a ton of videos about how, and now, i completed the settings and there is just one problem, the server always saids connection to lobby failed, attempt number 1 and just goes to attempt number 5 and stops, do you guys have any idea what is happening, i port forwarded 9600 udp and tcp and 8081 http in my router too
Router Model: Deco X60