A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'event_id' of non-object

Filename: volunteer/view.php

Line Number: 169

Backtrace:

File: /home/forge/attaa.sa/public/application/views/frontend/volunteer/view.php
Line: 169
Function: _error_handler

File: /home/forge/attaa.sa/public/application/views/frontend/layout.php
Line: 1027
Function: view

File: /home/forge/attaa.sa/public/application/controllers/Volunteer.php
Line: 207
Function: view

File: /home/forge/attaa.sa/public/index.php
Line: 324
Function: require_once