REPLACE INTO shoppingBasket SET sessionID = 'v4j4mojrcgjtn83jkqhj90vnl1', itemQuantity = 1, productOptionID = 436, 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.