The e-mail address does not match an existing user. Please check your e-mail address and try again. If you still need assistance, please click here to access our external support site.
I am sorry to hear you are having an issue with your email address not matching an existing user.
Is it possible you used a different email address when you created your account?
This article's Option 3 will guide you through troubleshooting an email address that does not match an existing user.
I'm having the exact same issue. I've tried resetting my password, clearing out my cache, and then logging in again. Nothing is working.