An uncaught Exception was encountered

Type: Error

Message: Call to undefined function mysqli_init()

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

Line Number: 135

Backtrace:

File: /home/batdongs/public_html/application/core/MY_Controller.php
Line: 18
Function: __construct

File: /home/batdongs/public_html/application/controllers/Bds.php
Line: 10
Function: __construct

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