Warning: mysqli_connect(): (HY000/2002): No connection could be made because the target machine actively refused it in C:\xampp\htdocs\ANPR\config.php on line 7

Fatal error: Uncaught ArgumentCountError: mysqli_error() expects exactly 1 argument, 0 given in C:\xampp\htdocs\ANPR\config.php:9 Stack trace: #0 C:\xampp\htdocs\ANPR\config.php(9): mysqli_error() #1 {main} thrown in C:\xampp\htdocs\ANPR\config.php on line 9