A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Download.php

Line Number: 87

Backtrace:

File: C:\xampp\htdocs\saintek.universitaskarimun.ac.id\application\controllers\Download.php
Line: 87
Function: _error_handler

File: C:\xampp\htdocs\saintek.universitaskarimun.ac.id\index.php
Line: 315
Function: require_once