WSC 5.2 Artikel List fehler beta1

Error
    Error Type:
    wcf\system\exception\ErrorException
    Error Message:
    Undefined index: articles
    File:
    */lib/system/WCF.class.php (338)
    Stack Trace:
        #0 */templates/compiled/0_wcf_1_articleList.php (2170):
        wcf\system\WCF::handleError(8, 'Undefined index: articles', '*/templates/compiled/0_wcf_1_articleList.php', 2170, [ 20 items ])
        #1 */lib/system/template/TemplateEngine.class.php (334):
        include('*/templates/compiled/0_wcf_1_articleList.php')
        #2 */lib/page/AbstractPage.class.php (323):
        wcf\system\template\TemplateEngine->display('articleList', 'wcf')
        #3 */lib/page/AbstractPage.class.php (114):
        wcf\page\AbstractPage->show()
        #4 */lib/system/request/Request.class.php (83):
        wcf\page\AbstractPage->__run()
        #5 */lib/system/request/RequestHandler.class.php (107):
        wcf\system\request\Request->execute()
        #6 */index.php (9):
        wcf\system\request\RequestHandler->handle('wcf')