Fatal error: Uncaught ArgumentCountError: mysqli_close() expects exactly 1 argument, 0 given in /homepages/29/d529171243/htdocs/Piscinas Salnes/WEB/verimapiscina.php:15 Stack trace: #0 /homepages/29/d529171243/htdocs/Piscinas Salnes/WEB/verimapiscina.php(15): mysqli_close() #1 {main} thrown in /homepages/29/d529171243/htdocs/Piscinas Salnes/WEB/verimapiscina.php on line 15