A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: helpers/common_helper.php

Line Number: 47

Backtrace:

File: /home/virtusmind/public_html/career/application/helpers/common_helper.php
Line: 47
Function: _error_handler

File: /home/virtusmind/public_html/career/application/views/auth/registration_page.php
Line: 16
Function: old

File: /home/virtusmind/public_html/career/application/views/layout.php
Line: 53
Function: view

File: /home/virtusmind/public_html/career/application/controllers/Auth.php
Line: 151
Function: view

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