An Error Was Encountered

Error Number: 1327

Undeclared variable: index_php

SELECT *, `pracomprar_stores`.`ID` AS `StoreID` FROM `pracomprar_stores` WHERE `State` = '1' AND (`pracomprar_stores`.`TypeAnnouncement` = 'STORE' OR `pracomprar_stores`.`TypeAnnouncement` = 'REDIRECT') AND `Status` = 'APPROVING' ORDER BY `NameFancy` ASC LIMIT index_php, 10