// java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object java.util.Map.get(java.lang.Object)' on a null object reference
// at com.sensopia.magicplan.sdk.help.HelpReference.getHelpTopics(HelpReference.java:185)
// at com.sensopia.magicplan.sdk.help.HelpBaseActivity.listHelpTopics(HelpBaseActivity.java:64)
// at com.sensopia.magicplan.sdk.help.HelpBaseActivity.listHelpTopics(HelpBaseActivity.java:60)
// at com.sensopia.magicplan.sdk.help.HelpBaseActivity.onOptionsItemSelected(HelpBaseActivity.java:49)
// at android.app.Activity.onMenuItemSelected(Activity.java:2914)
// at android.support.v4.app.FragmentActivity.onMenuItemSelected(FragmentActivity.java:403)
// at android.support.v7.app.AppCompatActivity.onMenuItemSelected(AppCompatActivity.java:189)
// at android.support.v7.view.WindowCallbackWrapper.onMenuItemSelected(WindowCallbackWrapper.java:100)
// at android.support.v7.app.AppCompatDelegateImplV7.onMenuItemSelected(AppCompatDelegateImplV7.java:663)
// at android.support.v7.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:811)
// at android.support.v7.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:152)
// at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:958)
// at android.support.v7.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:948)
// at android.support.v7.widget.ActionMenuView.invokeItem(ActionMenuView.java:618)
// at android.support.v7.view.menu.ActionMenuItemView.onClick(ActionMenuItemView.java:139)
// at android.view.View.performClick(View.java:5204)
// at android.view.View$PerformClick.run(View.java:21153)
// at android.os.Handler.handleCallback(Handler.java:739)
// at android.os.Handler.dispatchMessage(Handler.java:95)
// at android.os.Looper.loop(Looper.java:148)
// at android.app.ActivityThread.main(ActivityThread.java:5417)
// at java.lang.reflect.Method.invoke(Native Method)
// at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
// at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)