A PHP Error was encountered

Severity: Notice

Message: Undefined variable: Categories

Filename: common/header.php

Line Number: 111

Backtrace:

File: /home/championnumismat/public_html/application/views/frontend/common/header.php
Line: 111
Function: _error_handler

File: /home/championnumismat/public_html/application/controllers/Login.php
Line: 40
Function: view

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