How to fix this?,Assetto Corsa Track mod

[Devara86]

Hi my name is devara and ive been creating track mods for a while from blender to ks editor you guys can check it here

but i want to ask about something so i want to make a freeroam map for anyone to chill in it just roaming around and im planing to start from 30KM and then when i want to tested it somehow it doesnt render well i dont know why i mean i have shutoko and ive been in their server aswell but weird shutoko is like 150+KM but somehow i dont have issue with it meanwhile my map is only like 30km and yet i have this issue anyideas how to fix it? on my content manager i already adjust the setting turning on origin set and unable "Use double precision physics engine" and the latest csp and everything and sometimes i dont use that setting while im in shutoko server but have no problems in it but why on my track mod it does this