Pop up message
I am getting a constant pop up message that says
Calendar invitation
your response to the invitation cannot be sent
i don’t know what to do to clear it
Question marked as
Best reply
Are you seeing something as shown in pic below?
Then probably you have accepted an offer or subscribed for a spam Calendar accidentally. Watch the GIF below to know how to unsubscribe from these alerts. Look for an unknown Calendar on the device under subscribed calendars.