Fatal error: Uncaught Error: Call to undefined method TM_Highlight_Model_Resource_Eav_Mysql4_Catalog_Product_Collection::addOrderedQty() in /var/www/html/magento/app/code/local/TM/Highlight/Block/Product/Bestseller.php:30 Stack trace: #0 /var/www/html/magento/app/code/local/TM/Highlight/Block/Product/List.php(563): TM_Highlight_Block_Product_Bestseller->_beforeToHtml() #1 /var/www/html/magento/app/code/local/TM/Highlight/Block/Page.php(55): TM_Highlight_Block_Product_List->beforeToHtml() #2 /var/www/html/magento/app/code/core/Mage/Core/Block/Abstract.php(922): TM_Highlight_Block_Page->_beforeToHtml() #3 /var/www/html/magento/app/code/core/Mage/Core/Block/Abstract.php(641): Mage_Core_Block_Abstract->toHtml() #4 /var/www/html/magento/app/code/core/Mage/Core/Block/Abstract.php(585): Mage_Core_Block_Abstract->_getChildHtml('product_list', true) #5 /var/www/html/magento/app/design/frontend/base/default/template/tm/highlight/page.phtml(7): Mage_Core_Block_Abstract->getChildHtml('product_list') #6 /var/www/html/magento/app/code/ in /var/www/html/magento/app/code/local/TM/Highlight/Block/Product/Bestseller.php on line 30