I have created a script for activating show and print option in condtional text. but it works fine in most of the chapter but it does not activate some chapter. Please advise for this issue

Please see the script below

var myEventListener = app.eventListeners.add("afterOpen", placeFilesOnDoubleClick, false);

var myEventListener = app.eventListeners.add("afterClose", placeFilesOnDoubleClick1, false);

function placeFilesOnDoubleClick()

{

    app.conditionalTextPreferences.showConditionIndicators = ConditionIndicatorMode.SHOW_AND_PRINT_INDICATORS;

}