An uncaught Exception was encountered

Type: Error

Message: Call to undefined function mysqli_init()

Filename: /var/www/html/recruitment/system/database/drivers/mysqli/mysqli_driver.php

Line Number: 135

Backtrace:

File: /var/www/html/recruitment/application_view/controllers/Index.php
Line: 8
Function: __construct

File: /var/www/html/recruitment/index.php
Line: 318
Function: require_once