A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: wise/exam_wise.php

Line Number: 22

Backtrace:

File: /home3/bestwdga/public_html/vyapammanthan.com/app/views/wise/exam_wise.php
Line: 22
Function: _error_handler

File: /home3/bestwdga/public_html/vyapammanthan.com/app/controllers/Wise/Exam_wise.php
Line: 18
Function: view

File: /home3/bestwdga/public_html/vyapammanthan.com/index.php
Line: 315
Function: require_once