Fatal error: Uncaught Error: Call to undefined function mysqli_pconnect() in C:\xampp\htdocs\web\hr-overview\Connections\person.php:9 Stack trace: #0 C:\xampp\htdocs\web\hr-overview\person_list_s1_excel.php(1): require_once() #1 {main} thrown in C:\xampp\htdocs\web\hr-overview\Connections\person.php on line 9