nextcloud-server/core/templates/404-profile.php

<?php

/** @var array $_ */
/** @var \OCP\IL10N $l */
/** @var \OCP\Defaults $theme */
// @codeCoverageIgnoreStart
if (!isset($_)) { //standalone  page is not supported anymore - redirect to /
	require_once '../../lib/base.php';

	$urlGenerator = \OC::$server->getURLGenerator();
	header('Location: ' . $urlGenerator->getAbsoluteURL('/'));
	exit;
}
// @codeCoverageIgnoreEnd
?>
<?php if (isset($_['content'])) : ?>
	<?php print_unescaped($_['content']) ?>
<?php else : ?>
	<div class="body-login-container update">
		<div class="icon-big icon-error"></div>
		<h2><?php p($l->t('Profile not found')); ?></h2>
		<p class="infogroup"><?php p($l->t('The profile does not exist.')); ?></p>
		<p><a class="button primary" href="<?php p(\OC::$server->getURLGenerator()->linkTo('', 'index.php')) ?>">
				<?php p($l->t('Back to %s', [$theme->getName()])); ?>
			</a></p>
	</div>
<?php endif; ?>