Cannot read property 'setJSMaterials' of undefined

[Ayzekberk]

1. I cloned ARDrivingCar prject to my pc
2. I did npm install (all dependencies installed)
3. I ran pod install inside ios folder
4. I ran this app via Xcode in my physical iPhone 6S device
5. App ran successfully in my physical device but an error was appeared and i couldn't handle this error.
   Cannot read property 'setJSMaterials' of undefined

What could be went wrong or what should i do to ran ARDrivingCar project in my physical device ? Please Help !