AboutAbout Manufacturer CenterPolicies and requirementsFrequently asked questionsSet upBeginner's guideManage your accountManage your brand dataCreate your feedsConnect to Merchant Center Best practicesHow to work with data partnersTrack your analyticsProduct data specificationProduct data specificationProduct data attributesTroubleshootTroubleshoot your feedAllow access through your robots.txt fileFix product issues using the Diagnostics sectionProduct data issuesHow to fix: Invalid format for sub-attributesData partnerstarget client id [target_client_id]