Sitecore rendering datasource location

WP Upload Directory not writable! Check file and directory permissions
Sitecore datasource rendering datasource location query Datasource to get items from site specific location query:./ancestor-or-self::*[@@templatename=’News List’]//*[@@templateName=’News Article’] query:./ancestor-or-self::*[@@templatename=’SiteRoot’]/Global/StoreCategories/*[@@templateid='{16404FBF-2E09-4602-BAE7-27A08F2E0069}’]