Source of widgets in imported Epubs

Hello everyone.

I have a problem related to viewing from where does my objects have their source path. I have made a Epub file using Inkling plattform which has variety of javascript widgets ready made. Ive used them in the book ive exported from there. When i Open the epub file exported from Inkling with Ibook reader, all the javascript widgets work. But in author when I choose to create a new book using existing epub file, it gives me the warning that it can not find the json file which contains the information what the object should perform. The code in one of the HTML pages in epub looks like this:

<figure id="data-uuid-703cfbc0eed142f49e13c684e7d6396b" data-uuid="703cfbc0eed142f49e13c684e7d6396b">

<figcaption>

<span class="figure-designation">Fig 2 a-c</span>

</figcaption>

<object type="text/html" id="data-uuid-02e33161694249f8812cb9bb55535a62" data-uuid="02e33161694249f8812cb9bb55535a62" data="../../assets/widgets/slideshow/index.html" class="widget widget-slideshow">

<param value="../../widget_data/config/02e33161694249f8812cb9bb55535a62.json" name="configFile" />

</object>

</figure>

The bolded part is which I am interested in. The Author tells me it can not find the .json file and therefore only a questionmark placeholder appears. But in author I can not view from where it is trying to find the Json file. It dosent let me see the path or at least I have not found it if there is such an option. I know those files exist in my Epub file and that ibook can find those json files. If anyone could explain me how to examine the HTML code in author I would be very grateful.

-Vertsu