Erro ao inserir leitura: SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (`miguelde_trabalhofinal`.`leituraalek`, CONSTRAINT `leituraalek_ibfk_1` FOREIGN KEY (`macalek_idmacalek`) REFERENCES `macalek` (`idmacalek`) ON DELETE NO ACTION ON UPDATE NO ACTION)