An uncaught Exception was encountered

Type: Error

Message: Call to undefined function mysqli_init()

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

Line Number: 135

Backtrace:

File: /home/isprojek/public_html/cbt/application/controllers/Auth.php
Line: 10
Function: __construct

File: /home/isprojek/public_html/cbt/index.php
Line: 315
Function: require_once