problem to join a server

[Honey]

Hello I have a problem with my game as soon as I want to join a server there is this error that it is my and I do not know what to do someone could help me

http://image.noelshack.com/fichiers/2021/10/4/1615489561-mx-bike.png

[PizzaChet]

Hi Honey.    Just download the OEM pack. You'll need to unzip it into the correct folder.

Instructions:
http://forum.mx-bikes.com/index.php?topic=1979.0

Link to file:
https://mega.nz/file/8d5yHb7A#gu8gbCT6e8jJIqnCdshezEwkkfYP5xKwxRyzuvHc7yM

Tracks:
https://mxb-mods.com/tracks