A PHP Error was encountered

Severity: Notice

Message: Undefined property: stdClass::$url

Filename: controllers/Contenidos.php

Line Number: 23

Backtrace:

File: /var/www/ciApps/cerbero/controllers/Contenidos.php
Line: 23
Function: _error_handler

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