<java.lang.NullPointerException: null cannot be ca...

# stackoverflow

[user]

java.lang.NullPointerException: null cannot be cast to non-null type com.google.android.gms.maps.SupportMapFragment
Im working on a project where if a user clicks on a button in the mainactivity i will send them to the next activite which is google maps, but i get this exception
This is the MainActivity
private fun checkForPermissions() {

val permission:String = Manifest.permission.ACCESS_FINE_LOCATION

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
when {
ContextCompat.checkSelfPermission(applicationContext, permission) == PackageManager.PERMISSION_GRANTED -> {...