An uncaught Exception was encountered

Type: Error

Message: Call to undefined function mysqli_init()

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

Line Number: 135

Backtrace:

File: /var/www/html/pablogrande/application/models/Users.php
Line: 10
Function: database

File: /var/www/html/pablogrande/application/controllers/Localidad.php
Line: 11
Function: __construct

File: /var/www/html/pablogrande/index.php
Line: 315
Function: require_once