Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (`tecnolem_tienda2`.`sub_categorias`, CONSTRAINT `FK_SUB_CAT` FOREIGN KEY (`id_categoria`) REFERENCES `categorias` (`id`) ON DELETE CASCADE ON UPDATE CASCADE) in /home/tecnolem/public_html/function_php/insertarCategorias.php:31 Stack trace: #0 /home/tecnolem/public_html/function_php/insertarCategorias.php(31): PDOStatement->execute() #1 /home/tecnolem/public_html/header.php(3): include('/home/tecnolem/...') #2 /home/tecnolem/public_html/index.php(19): include('/home/tecnolem/...') #3 {main} thrown in /home/tecnolem/public_html/function_php/insertarCategorias.php on line 31