Free for all adventure stuck same point

Hi.Im playing fh 4 and stuck same point in team adventure.Im searching and nobody solve this problem.I looked forum and everybody share this link “https://support.forzamotorsport.net/hc/en-us/articles/360001991068-FH4-Known-Issues”.This link whats meaning?This link cant solve my problem.What is they job?Who solve this problem?Me, my friend or some forum users ?.This game make me sick.