An uncaught Exception was encountered

Type: Error

Message: Call to undefined function mysqli_init()

Filename: /home/jentr/public_html/system/database/drivers/mysqli/mysqli_driver.php

Line Number: 135

Backtrace:

File: /home/jentr/public_html/application/config/routes.php
Line: 58
Function: DB

File: /home/jentr/public_html/index.php
Line: 317
Function: require_once