You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY start ASC' at line 1
SELECT id, ort, zeit, info_text, gruppe, UNIX_TIMESTAMP(start) AS start, UNIX_TIMESTAMP(end) AS end, uid, last_modified FROM kalender WHERE (gruppe='nottuln' OR gruppe='ubcoesfeld' OR gruppe='havixbeck' OR gruppe='ktfcoes' OR gruppe='jusoskvcoe' OR gruppe='stinka') AND (start >= '2008-10-10 23:00:00' OR end >= '2008-10-10 23:00:00') AND krepeat!=2 AND art < 4 AND ( id!='13581' AND id!='13582' AND id!='13583' AND id!='13584' AND id!='13585' AND id!='13586' AND id!='13588' AND id!='13587' AND id!='13589' AND id!='14911' AND id!='14910' AND id!='14912' AND id!='14913' AND id!='14914' AND id!='14915' AND id!='14916' AND id!='14917' AND id!='16626' AND id!='16627' AND id!='16628' AND id!='16629' AND id!='16630' AND id!='16633' AND id!='16632' AND id!='16634' AND id!='17304' AND id!='18006' AND id!='18008' AND id!='18007' AND id!='18009' AND id!='18010' AND id!='18011' AND id!='18012' AND id!='18014' AND id!='18013' AND id!='18015' AND id!='18016' AND id!='18017' AND id!='18019' AND id!='18018' AND id!='18020' AND id!='18021') LIMIT 10 ORDER BY start ASC

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY start ASC' at line 1