Fatal error: Uncaught Error: Call to undefined method GS_Warehouse_Helper_Data::getQtyAssociated() in /var/www/html/app/code/community/Shopgo/GTM/Block/Gtm.php:231 Stack trace: #0 /var/www/html/app/code/community/Shopgo/GTM/Block/Gtm.php(44): Shopgo_GTM_Block_Gtm->_getProductInfo() #1 /var/www/html/app/design/frontend/base/default/template/shopgo/gtm/default.phtml(13): Shopgo_GTM_Block_Gtm->_getDataLayer() #2 /var/www/html/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/html/a...') #3 /var/www/html/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/base/d...') #4 /var/www/html/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView() #5 /var/www/html/app/code/community/Shopgo/GTM/Block/Gtm.php(209): Mage_Core_Block_Template->_toHtml() #6 /var/www/html/app/code/core/Mage/Core/Block/Abstract.php(923): Shopgo_GTM_Block_Gtm->_toHtml() #7 /var/www/html/app/code/core/Mage/Core/Block/Abstract.php(641): Mage_Core_Block_Abstract->toHtml() in /var/www/html/app/code/community/Shopgo/GTM/Block/Gtm.php on line 231