nextcloud/core/templates/error.php

<div id="login">
	<header><img src="<?php echo image_path('', 'owncloud-logo-medium-white.png'); ?>" alt="ownCloud" /></header>
	<ul>
		<?php foreach($_["errors"] as $error):?>
			<li class='error'>
				<?php echo $error['error'] ?><br/>
				<p class='hint'><?php if(isset($error['hint']))echo $error['hint'] ?></p>
			</li>
		<?php endforeach ?>
	</ul>
</div>