A PHP Error was encountered

Severity: Notice

Message: Undefined variable: tambah

Filename: controllers/Sp.php

Line Number: 37

Backtrace:

File: /home/u9013781/public_html/prf/application/controllers/Sp.php
Line: 37
Function: _error_handler

File: /home/u9013781/public_html/prf/index.php
Line: 315
Function: require_once