Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in C:\xampp\htdocs\demo\venta_rapida\imprimir_ticket_todo_set.php on line 107

Warning: mysql_free_result() expects parameter 1 to be resource, boolean given in C:\xampp\htdocs\demo\venta_rapida\imprimir_ticket_todo_set.php on line 252