New cars doesn't load

[VBRT29]

Hi everyone,
I ran into a problem again, after I bought Assetto Corsa on Steam, my first thing to do was downloading a few mods.
When I import the mods in Content Manager (I bought CM ad well) everithing is fine, no warnings about the new Cars/Tracks. Then when I want to launch them, the game doesn't load them & it says "the game crashed and shows me a log like this...(when launched in CM):
(this log came up when I launched a new car, NOT a track)
"
Error might have something to do with:

AC\caravatar.cpp (1309): CarAvatar::initPhysics
AC\caravatar.cpp (896): CarAvatar::CarAvatar
AC\sim.cpp (1446): Sim::addCar
AC\racemanager.cpp (462): RaceManager::initOffline
AC\racemanager.cpp (174): RaceManager::loadSessions
AC\sim.cpp (320): Sim::Sim
AC\splashscreen.cpp (319): SplashScreen:ostRender
AC\game.cpp (181): Game::onIdle
AC\game.cpp (210): Game::run
AC\acs.cpp (477): wWinMain
f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c (618): __tmainCRTStartup
00007FFD8F597C24 (KERNEL32): (filename not available): BaseThreadInitThunk
00007FFD912ED4D1 (ntdll): (filename not available): RtlUserThreadStart
"

Anyone knows how to fix it / what to do with it? It keep doing it with almost every non Kunos car & track....

CAR issue:

TRACK issue:

 

[Wodz30]

Make sure you can launch the cars in the CM showroom. If there is a data issue with a car in question then it will not load into showroom.

Additionally, in CM, go to content (top right), select your car and select analyze down on the bottom area to see if any issues are listing. Try to repair anything that comes up

 

[dturbo]

Make sure you can launch the cars in the CM showroom. If there is a data issue with a car in question then it will not load into showroom.

Additionally, in CM, go to content (top right), select your car and select analyze down on the bottom area to see if any issues are listing. Try to repair anything that comes up

how would i fix this from there coz im a modder that dosent know wtf im doing