A PHP Error was encountered

Severity: Notice

Message: Undefined index: last_update

Filename: libraries/Online_users.php

Line Number: 21

Backtrace:

File: /home/faiumsby/public_html/application/libraries/Online_users.php
Line: 21
Function: _error_handler

File: /home/faiumsby/public_html/application/core/MY_Controller.php
Line: 14
Function: __construct

File: /home/faiumsby/public_html/application/controllers/Homepage.php
Line: 10
Function: __construct

File: /home/faiumsby/public_html/index.php
Line: 323
Function: require_once

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