Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Only one usage of each socket address (protocol/network address/port) is normally permitted in E:\inetpub\sites\NMBT\PHPSite\system.php:37 Stack trace: #0 E:\inetpub\sites\NMBT\PHPSite\system.php(37): PDO->__construct('mysql:host=127....', 'root', 'Andiyaz19') #1 E:\inetpub\sites\NMBT\PHPSite\header.php(2): require_once('E:\\inetpub\\site...') #2 E:\inetpub\sites\NMBT\PHPSite\enquiry.php(2): include_once('E:\\inetpub\\site...') #3 {main} thrown in E:\inetpub\sites\NMBT\PHPSite\system.php on line 37