java.lang.NullPointerException: Attempt to invoke virtual method 'void androidx.recyclerview.widget.RecyclerView$g.notifyDataSetChanged()' on a null object reference
	at x4.r0$u$b$b.run(Unknown Source:8)
	at android.os.Handler.handleCallback(Handler.java:914)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:224)
	at android.app.ActivityThread.main(ActivityThread.java:7551)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:995)