ERROR IN: SELECT DISTINCT * FROM `phpkit_user`,`phpkit_memberliste_game_feld` WHERE (`user_anzahl`='1' ) AND `phpkit_memberliste_game_feld`.`userid` = `phpkit_user`.`user_id` AND `phpkit_memberliste_game_feld`.`feld_` <> '' ORDER by `user_name` ASC

unknown column 'phpkit_memberliste_game_feld.feld_' in 'where clause'