Error log, se me llena y repiten los errores

[15-Aug-2014 07:23:25 UTC] PHP Notice:  Use of undefined constant WIRELESS - assumed 'WIRELESS' in /home/…/public_html/Sources/Subs.php on line 2871
[15-Aug-2014 07:23:25 UTC] PHP Notice:  Use of undefined constant WIRELESS_PROTOCOL - assumed 'WIRELESS_PROTOCOL' in /home/androidt/public_html/Sources/Subs.php on line 2882
[15-Aug-2014 07:23:25 UTC] PHP Warning:  in_array() expects parameter 2 to be array, null given in /home/…/public_html/Sources/PrettyUrls-Filters.php on line 301
[15-Aug-2014 07:23:25 UTC] PHP Notice:  Undefined index: REQUEST_URL in /home/…/public_html/Sources/Subs.php on line 3023
[15-Aug-2014 07:23:25 UTC] PHP Notice:  Undefined index: REQUEST_URL in /home/…/public_html/Sources/Subs.php on line 3023
[15-Aug-2014 07:23:25 UTC] PHP Notice:  Undefined index: REQUEST_URL in /home/…/public_html/Sources/Subs.php on line 3024

if (WIRELESS)
	{
		// Add the scripturl on if needed.
		if ($add)
			$setLocation = $scripturl . '?' . $setLocation;

		$char = strpos($setLocation, '?') === false ? '?' : ';';

		if (strpos($setLocation, '#') !== false)
			$setLocation = strtr($setLocation, array('#' => $char . WIRELESS_PROTOCOL . '#'));
		else
			$setLocation .= $char . WIRELESS_PROTOCOL;
	}
	elseif ($add)
		$setLocation = $scripturl . ($setLocation != '' ? '?' . $setLocation : '');

if (strpos($_SERVER['REQUEST_URL'], 'action=dlattach') === false && strpos($_SERVER['REQUEST_URL'], 'action=viewsmfile') === false)
$_SESSION['old_url'] = $_SERVER['REQUEST_URL'];

	if (in_array($matches[2], $context['pretty']['action_array']))
					$urls[$url_id]['replacement'] = preg_replace($pattern, $replacement, $url['url']);
			}
	return $urls;
}