Catchable fatal error: Argument 1 passed to Product_Category_FileVO::setProduct_CategoryVO() must be an instance of Product_CategoryVO, boolean given, called in /home/httpd/htdocs/formatbr/DAOs/Product_CategoryDAO.class.php on line 172 and defined in /home/httpd/htdocs/formatbr/VOs/Product_Category_FileVO.class.php on line 67