Konnte die Abfrage 'select *, DATE_FORMAT(nlnewsletter_created, '%d.%m.%Y') as ndate  from 0_nlnewsletter,  0_nlartconn,  0_nlartikelarchiv   where nlnewsletter_id = 12 and   nlnewsletter_hiddenarchiv = 0  and   nlnewsletter_id = nlartconn_nlid  and   nlartconn_artid = nlartikelarchiv_id  order by nlartikelarchiv_order ' nicht ausführen. (Can't create/write to file '/var/tmp/#sql_5f6_0.MAI' (Errcode: 28))