A PHP Error was encountered

Severity: Notice

Message: Undefined variable: protect_identifiers

Filename: database/DB_driver.php

Line Number: 1816

Backtrace:

File: /var/www/html/application/libraries/Twitterlib.php
Line: 27
Function: get

File: /var/www/html/application/libraries/Twitterlib.php
Line: 17
Function: searchterms

File: /var/www/html/application/controllers/Welcome.php
Line: 43
Function: library

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