Forum rules
Before creating a new support thread, please take a look at the board3 Portal FAQ and use the search!
Many questions have already been answered.
<li class="icon-home"><!-- IF U_PORTAL --><a href="{U_PORTAL}">{L_PORTAL}</a> » <!-- ENDIF --><a href="{U_INDEX}" accesskey="h">{L_INDEX}</a> <!-- BEGIN navlinks --> <strong>‹</strong> <a href="{navlinks.U_VIEW_FORUM}">{navlinks.FORUM_NAME}</a><!-- END navlinks --></li>
If you changed it to that then make sure you edited includes/functions.php correctly and also make sure you have the correct permissions to see the portal.