Your Response To The Invitation Cannot Be Sent
This error has been reported to last for for years and it’s due to a problem with the calendar app. These steps are going to work regardless of which iOS device you have. Why Does It Say Your Response to the Calendar Invitation Cannot Be Sent? The reason you’re getting the ‘Calendar information Your response to the invitation cannot be sent’ notification on your iPhone is because you’ve sent a response (accepted or rejected) to a calendar invitation and because of an error, the response cannot be sent, therefore you’ll keep receiving the notification....