REPLACE INTO shoppingBasket SET sessionID = 'btgsr93vkfo36a11dctvtjfi01', itemQuantity = 1, productOptionID = 245, productParameters = '', itemUpdated = NOW(), unlistedItem = 0; - Cannot add or update a child row: a foreign key constraint fails (`pipershoney`.`shoppingBasket`, CONSTRAINT `shoppingBasket_ibfk_1` FOREIGN KEY (`sessionID`) REFERENCES `sessions` (`sessionID`) ON DELETE CASCADE ON UPDATE CASCADE) - Database error. Please try again.