Error: Access Token for claphair is not valid or has expired. Feed will not update.

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.

Error: API requests are being delayed for this account. New posts will not be retrieved.

There may be an issue with the Instagram access token that you are using. Your server might also be unable to connect to Instagram at this time.