<Why is the recycler view has NullPointerException...

# stackoverflow

[user]

Why is the recycler view has NullPointerException in fragment?
so here is the code for my recycler view adapter, which is located at onCreate:
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
databaseReference = FirebaseDatabase.getInstance().getReference("profilUsaha")
auth = FirebaseAuth.getInstance()
uid = auth.currentUser?.uid.toString()

daftar_pesan_recycler_view.adapter = adapter
listenForLatestMessages()

arguments?.let {
param1 = it.getString(ARG_PARAM1)
param2 =...