A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: views/pepole_event_chart.php

Line Number: 4

Backtrace:

File: /home/admin/web/e-regis.rmutl.ac.th/public_html/application/views/pepole_event_chart.php
Line: 4
Function: _error_handler

File: /home/admin/web/e-regis.rmutl.ac.th/public_html/application/controllers/Events.php
Line: 433
Function: renderView

File: /home/admin/web/e-regis.rmutl.ac.th/public_html/index.php
Line: 328
Function: require_once