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Attempt to invoke virtual method 'boolean java.lang.Boolean.booleanValue()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Boolean.booleanValue()' on a null object reference at com.buildware.widget.indeterm.IndeterminateCheckBox.onSaveInstanceState(IndeterminateCheckBox.java:218) at android.view.View.dispatchSaveInstanceState(View.java:13550) at android.view.ViewGroup.dispatchSaveInstanceState(ViewGroup.java:2865) at android.view.ViewGroup.dispatchSaveInstanceState(ViewGroup.java:2865) at android.view.ViewGroup.dispatchSaveInstanceState(ViewGroup.java:2865) at android.view.ViewGroup.dispatchSaveInstanceState(ViewGroup.java:2865) at android.view.View.saveHierarchyState(View.java:13533) at android.support.v4.app.FragmentManagerImpl.saveFragmentViewState(FragmentManager.java:1850) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1180) at android.support.v4.app.FragmentManagerImpl.removeFragment(FragmentManager.java:1387) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:758) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1677) at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:536) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5221) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)