Fatal error: Uncaught mysqli_sql_exception: Only one usage of each socket address (protocol/network address/port) is normally permitted in C:\xampp\htdocs\lowprice\web\config.php:17 Stack trace: #0 C:\xampp\htdocs\lowprice\web\config.php(17): mysqli_connect('127.0.0.1', 'root', Object(SensitiveParameterValue), 'low') #1 C:\xampp\htdocs\lowprice\web\index.php(10): require('C:\\xampp\\htdocs...') #2 {main} thrown in C:\xampp\htdocs\lowprice\web\config.php on line 17