Fix "Updating Failed. The response is not a Valid JSON Response" in WordPress | 1-Minute Solution Description: Are you facing the frustrating "Publishing failed. The response is not a valid JSON response" error in WordPress? Don’t worry! In this quick 1-minute tutorial, we'll show you how to easily fix this issue by updating your WordPress version and refreshing your permalink settings. Related Tags: #PublishingFailed #JSONResponseError #FixWordPressError #WordPressClassicEditor #HowToFix #WebDevelopment #NotAValidJSONResponse #WordPressSupport #UpdatingFailed