<div id="footer">
-[% IF langs.size > 0 %]
+[% IF langs && langs.size > 0 %]
<hr class="hidecss">
<!--UdmComment-->
<p>[% g('This page is also available in the following languages (How to set <a href="%s">the default document language</a>):', cn_help_url) %]</p>