Unfortunately, due to the confidential information that are necessary, your problem is not something that can be solved here (on the forum).
Someone will have to access your account in order to investigate what's wrong, but no one from the forum can do that.
You should contact (by phone or chat) a customer support representative in order to investigate the problem from your account. Live chat team is on Mon-Fri at 5AM - 6PM Arizona time UTC-7 and phone support is on 24/7 here https://uk.godaddy.com/contact-us.aspx
When I try to cancel autorenew, it constantly comes up with "Yikes! Something went wrong, try again later!". Cancelling my domain as we speak, can't be dealing with something as simple as cancelling autorenew not working. Seems weird.