A PHP Error was encountered

Severity: Notice

Message: Undefined index: p

Filename: controllers/Welcome.php

Line Number: 100

Backtrace:

File: /home/network2button2/public_html/application/controllers/Welcome.php
Line: 100
Function: _error_handler

File: /home/network2button2/public_html/index.php
Line: 315
Function: require_once