A PHP Error was encountered

Severity: Notice

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

Filename: models/Master_model.php

Line Number: 73

Backtrace:

File: /home/u230798309/domains/satriaprint.co.id/public_html/application/models/Master_model.php
Line: 73
Function: _error_handler

File: /home/u230798309/domains/satriaprint.co.id/public_html/application/controllers/Welcome.php
Line: 197
Function: counter_product

File: /home/u230798309/domains/satriaprint.co.id/public_html/application/controllers/Welcome.php
Line: 173
Function: add_count

File: /home/u230798309/domains/satriaprint.co.id/public_html/index.php
Line: 315
Function: require_once

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