Im using php code igniter frame work and trying to execute a common program and when i try to execute through wamp server,i encountered the following error,”A PHP Error was encountered” how can i fix this ?

A PHP Error was encountered
Severity: Notice
Message: Undefined variable: property
Filename: admin/common.php
Line Number: 34
Backtrace:
File: C:\wamp64\www\nsei-project\application\views\admin\common.php
Line:34
Function: _error_handler
File: C:\wamp64\www\nsei-project\application\controllers\admin.php
Line: 89
Function: view
File: C:\wamp64\www\nsei-project\index.php
Line: 315
Function: require_once