Fatal error: Uncaught Error: Call to a member function getFinalPrice() on null in /var/www/vhosts/utilitydesign.co.uk/public_html/http/app/code/core/Mage/Catalog/Model/Product/Option/Value.php:150 Stack trace: #0 /var/www/vhosts/utilitydesign.co.uk/public_html/http/app/code/community/MageWorx/CustomOptions/Helper/Data.php(1248): Mage_Catalog_Model_Product_Option_Value->getPrice(true) #1 /var/www/vhosts/utilitydesign.co.uk/public_html/http/app/code/community/MageWorx/CustomOptions/Model/Catalog/Product/Option.php(1827): MageWorx_CustomOptions_Helper_Data->calculateOptionSpecialPrice(Object(Mage_Catalog_Model_Product_Option_Value), Object(Webtise_LinkedProducts_Model_Catalog_Product), '1') #2 /var/www/vhosts/utilitydesign.co.uk/public_html/http/app/code/core/Mage/Catalog/Model/Product.php(1621): MageWorx_CustomOptions_Model_Catalog_Product_Option->getProductOptionCollection(Object(Webtise_LinkedProducts_Model_Catalog_Product)) #3 /var/www/vhosts/utilitydesign.co.uk/public_html/http/app/code/core/Mage/Catalog/Model/Product.p in /var/www/vhosts/utilitydesign.co.uk/public_html/http/app/code/core/Mage/Catalog/Model/Product/Option/Value.php on line 150