Crash on recycleview

[SaurabhGaddelpalliwar]

when i using same xml in another Activity
i m using 'xyz.danoz:recyclerviewfastscroller:0.1.3'

java.lang.NullPointerException: Attempt to invoke virtual method 'androidx.recyclerview.widget.RecyclerView$LayoutManager androidx.recyclerview.widget.RecyclerView.getLayoutManager()' on a null object reference
at xyz.danoz.recyclerviewfastscroller.calculation.progress.VerticalLinearLayoutManagerScrollProgressCalculator.calculateScrollProgress(VerticalLinearLayoutManagerScrollProgressCalculator.java:25)
at xyz.danoz.recyclerviewfastscroller.AbsRecyclerViewFastScroller.onLayout(AbsRecyclerViewFastScroller.java:206)

[SaurabhGaddelpalliwar]

please fix this issue

[masif040]

i have also this issue can it solve