error for android 4.4

[m1faridi]

E/AndroidRuntime: FATAL EXCEPTION: main
Process: , PID: 7930
java.lang.NoClassDefFoundError: com.tistory.zladnrms.roundablelayout.RoundableLayout$a
at com.tistory.zladnrms.roundablelayout.RoundableLayout.getOutlineProvider(:262)
at com.tistory.zladnrms.roundablelayout.RoundableLayout.dispatchDraw(:223)
at android.view.View.getDisplayList(View.java:13357)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at android.view.View.getDisplayList(View.java:13357)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at androidx.recyclerview.widget.RecyclerView.drawChild(:5204)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at android.view.View.draw(View.java:14468)
at androidx.recyclerview.widget.RecyclerView.draw(:4603)
at android.view.View.getDisplayList(View.java:13362)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at android.view.View.draw(View.java:14468)
at android.view.View.getDisplayList(View.java:13362)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at android.view.View.draw(View.java:14468)
at android.widget.FrameLayout.draw(FrameLayout.java:472)
at androidx.core.widget.NestedScrollView.draw(:2073)
at android.view.View.getDisplayList(View.java:13362)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at android.view.View.getDisplayList(View.java:13357)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at android.view.View.getDisplayList(View.java:13357)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at androidx.fragment.app.FragmentContainerView.drawChild(:268)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at androidx.fragment.app.FragmentContainerView.dispatchDraw(:256)
at android.view.View.getDisplayList(View.java:13357)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at androidx.constraintlayout.widget.ConstraintLayout.dispatchDraw(:1994)
at android.view.View.getDisplayList(View.java:13357)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at android.view.View.draw(View.java:14468)
at android.widget.FrameLayout.draw(FrameLayout.java:472)
at android.view.View.getDisplayList(View.java:13362)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)
at android.view.View.draw(View.java:14468)
at androidx.appcompat.widget.ActionBarOverlayLayout.draw(:543)
at android.view.View.getDisplayList(View.java:13362)
at android.view.View.getDisplayList(View.java:13404)
at android.view.View.draw(View.java:14182)
at android.view.ViewGroup.drawChild(ViewGroup.java:3103)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2940)