Whenever I inspect any element that's part of my navigation menu, OR inspect element and then browse to a navigation menu I get the 'Aw, Snap' error in Google Chrome. I figured there must be something wrong with the source but after reviewing the source in an editor it seems as though everything is correct in format.

What might be causing this error?

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Update:

Something in this code here is causing the error:

<li>
    <a id="nav-corporate" class="accordionButton <?php if (is_page(1635) || is_page(1909)) { echo "curr-page-nav";}?>">Corporate</a>
<div class="sub-list-container">

    <ul>
        <li>
            <a href="<?php echo get_page_link(1635); ?>" id="nav-meeting" class="subitem"><span class="nav-hidden">Meetings</span></a>
        </li>
        <li>
            <a href="<?php echo get_page_link(1909); ?>" id="nav-event" class="subitem"><span class="nav-hidden">Events</span></a>
        </li>
    </ul>
    </div>
    </li>

I have tried on three computers by the way.