Homepage nach PHP Update blank

Hallo,
nach einem PHP Update ist unsere Seite blank.
Der dortige Admin schrieb mir Folgendes:

Ihre Webseite schient aber noch ein Pfadproblem zu haben:

  Warning: include(): open_basedir restriction in effect. File(/net/c4-2-14/disc1/www/webEdition/we/include/we_showDocument.inc.php) is not within the allowed path(s): (/net/c4-2-14/disc1/www/unsercms/:/usr/share/pear/:/var/www/upload/) in /net/c4-2-14/disc1/www/unsercms/index.php on line 25

  Warning: include(/net/c4-2-14/disc1/www/webEdition/we/include/we_showDocument.inc.php): failed to open stream: Operation not permitted in /net/c4-2-14/disc1/www/unsercms/index.php on line 25

  Warning: include(): Failed opening '/net/c4-2-14/disc1/www/webEdition/we/include/we_showDocument.inc.php' for inclusion (include_path='.:/opt/rh/php54/root/usr/share/pear:/opt/rh/php54/root/usr/share/php:/usr/share/pear:/usr/share/php') in /net/c4-2-14/disc1/www/unsercms/index.php on line 25

Was bedeutet dies und wie kann ich das lösen?
Falls Sie mir helfen können, würde ich mich sehr freuen.
Viele Grüße

<?php
$GLOBALS['noSess'] = true;  
$GLOBALS['WE_IS_DYN'] = 1;  
$GLOBALS['we_transaction'] = '';  
$GLOBALS['we_ContentType'] = 'text/webedition';  

if (isset($_REQUEST['pv_id']) && isset($_REQUEST['pv_tid'])) {  
	$_REQUEST['we_cmd']=array(  
		1 => $_REQUEST['pv_id'],  
		4 => $_REQUEST['pv_tid'],  
	);
} else {
	$_REQUEST['we_cmd']=array(1 => 160);  
}

$FROM_WE_SHOW_DOC = true;

if (!isset($GLOBALS['WE_MAIN_DOC']) && isset($_REQUEST['we_objectID'])) {  
	include($_SERVER['DOCUMENT_ROOT'] . '/webEdition/we/include/we_modules/object/we_object_showDocument.inc.php');  
} else {
	include($_SERVER['DOCUMENT_ROOT'] . '/webEdition/we/include/we_showDocument.inc.php');  
}