A PHP Error was encountered

Severity: Notice

Message: Undefined variable: u_file2

Filename: sub07/sub07_2_view.php

Line Number: 60

Backtrace:

File: /home/rtc/www/application/views/sub07/sub07_2_view.php
Line: 60
Function: _error_handler

File: /home/rtc/www/application/controllers/Sub_07.php
Line: 46
Function: view

File: /home/rtc/www/index.php
Line: 315
Function: require_once