A PHP Error was encountered

Severity: Notice

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

Filename: kinerja/program1.php

Line Number: 31

Backtrace:

File: /home/organisasi/www/sakip/application/views/kinerja/program1.php
Line: 31
Function: _error_handler

File: /home/organisasi/www/sakip/application/controllers/Ex_kinerja.php
Line: 231
Function: view

File: /home/organisasi/www/sakip/index.php
Line: 293
Function: require_once