An uncaught Exception was encountered

Type: Error

Message: Call to a member function num_rows() on bool

Filename: /home/automationinstru/public_html/application/models/Lojamd.php

Line Number: 358

Backtrace:

File: /home/automationinstru/public_html/application/controllers/Lojactrl.php
Line: 242
Function: getProduct

File: /home/automationinstru/public_html/index.php
Line: 151
Function: require_once