Fatal error: Uncaught TypeError: number_format(): Argument #1 ($num) must be of type float, string given in /home/sigesaf/public_html/php/listaprecios/guardar_costo.php:18 Stack trace: #0 /home/sigesaf/public_html/php/listaprecios/guardar_costo.php(18): number_format('', 0, '', '') #1 {main} thrown in /home/sigesaf/public_html/php/listaprecios/guardar_costo.php on line 18