manager/templates/default/error.tpl
<div class="modx_error">
<h2><i class="icon icon-exclamation-triangle"></i> An error occurred...</h2>
<div class="error_container{if $_e.errors|@count GT 0} multiple{/if}">
<p>{$_e.message}</p>
{if $_e.errors|@count GT 0}
<p> </p>
<p><strong>Errors:</strong></p>
<ul>
{foreach from=$_e.errors item=error}
<li><i class="icon icon-angle-right"></i> {$error}</li>
{/foreach}
</ul>
{/if}
</div>
</div>