질문란과 팁란을 많이 참고 실행해봤지만 작동을 안하네요

member_list에서 아래와 같이 수정하였는데 어디가 문제일까요?

    <th scope="col" class="nowr">{$lang->email}</th>
    <th scope="col" class="nowr" loop="$usedIdentifiers=>$name,$title">{$title}</th>
    <th scope="col" class="nowr"><a href="{getUrl('', 'module', 'admin', 'act', 'dispMemberAdminList', 'sort_index', 'regdate', 'sort_order', ($sort_order == 'asc') ? 'desc' : 'asc')}">{$lang->signup_date}<block cond="$sort_index == 'regdate'"> <em cond="$sort_order=='asc'">▲</em><em cond="$sort_order != 'asc'">▼</em></block></a></th>
    <th scope="col" class="nowr"><a href="{getUrl('', 'module', 'admin', 'act', 'dispMemberAdminList', 'sort_index', 'last_login', 'sort_order',  ($sort_order == 'asc') ? 'desc' : 'asc')}">{$lang->last_login}<block cond="$sort_index == 'last_login'"> <em cond="$sort_order=='asc'">▲</em><em cond="$sort_order != 'asc'">▼</em></block></a></th>
    <th scope="col" class="nowr">{$lang->member_group}</th>

    <th scope="col" class="nowr">   {@$extravs = unserialize($val->extra_vars)} {$extravs->license} </th>

    <th scope="col" class="nowr">{$lang->inquiry}/{$lang->cmd_modify}</th>
    <th scope="col">
     <input type="checkbox" title="Check All" data-name="user" />
    </th>