A Database Error Occurred

Error Number: 1064

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 'AND `houses`.`guild` = 0 LIMIT 40, 10' at line 1

SELECT IF(`house_auctions`.`world_id` = `houses`.`world_id`, `house_auctions`.`bid`, NULL) AS bid,`houses`.* FROM `houses` LEFT JOIN `house_auctions` ON `house_auctions`.`house_id` = `houses`.`id` WHERE `houses`.`name` != '' AND `houses`.`world_id` = AND `houses`.`guild` = 0 LIMIT 40, 10