Fatal error: Uncaught ArgumentCountError: Too few arguments to function Producto::demo(), 0 passed in /furanet/sites/feriasymercados.net/web/htdocs/system/core/CodeIgniter.php on line 359 and exactly 1 expected in /furanet/sites/feriasymercados.net/web/htdocs/application/controllers/producto.php:197 Stack trace: #0 /furanet/sites/feriasymercados.net/web/htdocs/system/core/CodeIgniter.php(359): Producto->demo() #1 /furanet/sites/feriasymercados.net/web/htdocs/index.php(203): require_once('/furanet/sites/...') #2 {main} thrown in /furanet/sites/feriasymercados.net/web/htdocs/application/controllers/producto.php on line 197