Error: Error validating access token: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons. Type: OAuthException Code: 190 Subcode: 460 Please refer to our Error Message Reference.
Error: Access Token is not valid or has expired. Feed will not update. This error message is only visible to WordPress admins
There's an issue with the Instagram Access Token that you are using. Please obtain a new Access Token on the plugin's Settings page. If you continue to have an issue with your Access Token then please see this FAQ for more information.