A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: controllers/exhibitions.php

Line Number: 73

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /var/www/htdocs/officebaroque/public/system_1.6.3/libraries/Exceptions.php:164)

Filename: helpers/url_helper.php

Line Number: 485