nav_host_fragment unresolved reference

 

nav_host_fragment  unresolved reference

navController = findNavController(R.id.nav_host_fragment)

 

 

안드로이드 버튼 임포트 에러날떼

build.grade(app) 수정

plugins {
    id 'com.android.application'
    id 'org.jetbrains.kotlin.android'
    id 'kotlin-android'
    id 'kotlin-android-extensions'
}