Can't convert this string to number: "" The blamed expression: ==> spec.value?number [in template "http:__d167y3o4ydtmfg.cloudfront.net_kraftrecipes_v201902140253_plugins_KHC_KR_ProductDetailWidget_KHC_KR_ProductDetailWidget.ftl" at line 237, column 139] ---- FTL stack trace ("~" means nesting-related): - Failed at: #assign nutritionObj = nutritionObj +... [in template "http:__d167y3o4ydtmfg.cloudfront.net_kraftrecipes_v201902140253_plugins_KHC_KR_ProductDetailWidget_KHC_KR_ProductDetailWidget.ftl" in macro "getData" at line 237, column 29] - Reached through: @getData [in template "http:__d167y3o4ydtmfg.cloudfront.net_kraftrecipes_v201902140253_plugins_KHC_KR_ProductDetailWidget_KHC_KR_ProductDetailWidget.ftl" at line 725, column 5] ----