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 'char.`characters` WHERE `account`.`guid` = `characters`.`account` AND `account`.' at line 1

("SELECT `account`.`id`, `account`.`username`, `characters`.`guid`, `characters`.`account`, `characters`.`name` FROM $db_a.`account`, $db_c.`characters` WHERE `account`.`id` = `characters`.`account` AND `account`.`username` = '$login'")