java.lang.NullPointerException: Attempt to invoke interface method 'void me.arulnadhan.grocerycorecommon.ui.browse.BrowseView.refreshItem(java.util.Map, int)' on a null object reference

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Attempt to invoke interface method 'void me.arulnadhan.grocerycorecommon.ui.browse.BrowseView.refreshItem(java.util.Map, int)' on a null object reference
java.lang.NullPointerException: Attempt to invoke interface method 'void me.arulnadhan.grocerycorecommon.ui.browse.BrowseView.refreshItem(java.util.Map, int)' on a null object reference
at me.arulnadhan.grocerycorecommon.ui.browse.BrowsePresenter$1.onChildRemoved(BrowsePresenter.java:220)
at com.google.android.gms.internal.zzblz.zza(Unknown Source)
at com.google.android.gms.internal.zzbnz.zzYj(Unknown Source)
at com.google.android.gms.internal.zzboc$1.run(Unknown Source)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5292)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)

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