Hello There,I am new in here just Joined the forum, well my problem is I am using Flynax software, I have installed a plugin and got this error message while loading my website:

PHP Code:
MYSQL ERROR
Error
:    Undeclared variablesale
Query
:    SELECT DISTINCT SUBSTRING_INDEX(GROUP_CONCAT(DISTINCT `T6`.`ThumbnailORDER BY `T6`.`TypeDESC, `T6`.`IDASC), ','1) AS `Main_photo`, `T1`.*, `T4`.`Path`, `T4`.`Parent_ID`, `T4`.`Type` AS `Listing_typeFROM `fl_listings` AS `T1LEFT JOIN `fl_listing_plans` AS `T2ON `T1`.`Featured_ID` = `T2`.`IDLEFT JOIN `fl_listing_plans` AS `T3ON `T1`.`Plan_ID` = `T3`.`IDLEFT JOIN `fl_categories` AS `T4ON `T1`.`Category_ID` = `T4`.`IDLEFT JOIN `fl_listing_photos` AS `T6ON `T1`.`ID` = `T6`.`Listing_IDLEFT JOIN `fl_accounts` AS `T7ON `T1`.`Account_ID` = `T7`.`IDWHERE UNIX_TIMESTAMP(DATE_ADD(`T1`.`Featured_date`, INTERVAL `T2`.`Listing_periodDAY)) > UNIX_TIMESTAMP(NOW()) OR `T2`.`Listing_period` = ) AND ( UNIX_TIMESTAMP(DATE_ADD(`T1`.`Pay_date`, INTERVAL `T3`.`Listing_periodDAY)) > UNIX_TIMESTAMP(NOW()) OR `T3`.`Listing_period` = ) AND `T4`.`Type` = 'sale_rent' AND `T1`.`Status` = 'active' AND `T4`.`Status` = 'active' AND `T7`.`Status` = 'active' GROUP BY `T1`.`IDORDER BY `Last_showASCRAND() LIMIT sale
Function:    eval
File:    /includes/classes/rlHook.class.php (line# 121) 
Anyone can please help me urgently ??