{foreach from=$errors key=error item=errmess}

{if $error eq 'NO_SUCH_USER'}
<p class="error">[[No such user]]</p>
{elseif $error eq 'INVALID_PASSWORD'}
<p class="error">[[Invalid password]]</p>
{elseif $error eq 'USER_NOT_ACTIVE'}
<p class="error">[[Your account is not active]]</p>
{/if}

{/foreach}