Nested Relationship Fields Trouble (playa)

So I have 3 weblogs, and each relates to another. I have my page weblog and in that I can relate side bar elements using a Playa field. Now the sidebar weblog can have a single video using a normal relationship field.

I’m trying to use the related_entries tag but I get this:

{REL[48][file]t7hqrg7TREL}

Here’s my code:

{exp:weblog:entries weblog="main_page"}
    {sidebar}
        <div class="video-bucket">
            <h4>{sidebar_header}</h4>
            {related_entries id="sidebar_file"}
                {video-description}
            {/related_entries}
        </div>
    {/sidebar}
{/exp:weblog:entries}