A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Welcome.php

Line Number: 564

Backtrace:

File: /var/www/root/application/controllers/Welcome.php
Line: 564
Function: _error_handler

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