error 81 error
Unknown column 'a.preiskategorie_all_minprice' in 'order clause' query
SELECT * FROM asr_shadow_angebote as a  WHERE ( FIND_IN_SET(1171, route_haefen) OR FIND_IN_SET(910, route_haefen) OR FIND_IN_SET(629, route_haefen) ) AND (a.quelle='asr' 
                         )
                      AND a.preiskategorie_minprice > 0 
                     AND a.routenzeitraum_startdate > '1781349013'
                   GROUP BY a.angebot_uid ORDER BY min((a.preiskategorie_all_minprice)) asc LIMIT 3