A PHP Error was encountered

Severity: Notice

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

Filename: views/activity_view.php

Line Number: 72

Backtrace:

File: /var/www/html/application/views/activity_view.php
Line: 72
Function: _error_handler

File: /var/www/html/application/controllers/Home.php
Line: 204
Function: view

File: /var/www/html/index.php
Line: 315
Function: require_once