null pointer exception

[chnouman]

E/AndroidRuntime: FATAL EXCEPTION: main Process: com.nouman.winslosses, PID: 3082 java.lang.NullPointerException: Attempt to write to field 'int android.view.ViewGroup$MarginLayoutParams.topMargin' on a null object reference at com.pchmn.materialchips.views.FilterableListView.fadeIn(FilterableListView.java:135) atcom.pchmn.materialchips.views.FilterableListView$2.onFilterComplete(FilterableListView.java:113) at android.widget.Filter$ResultsHandler.handleMessage(Filter.java:285) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5254) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)