Having the same issue. Have you figured out what is going on? I start the process and then have to sign in to complete the transfer, but then I get the error when trying to sign in. Also, prior to being taken to sign in I get a notice asking if I am sure I want to leave this page.
Hello being on top of your account is vital, especially if you are having issues with a Transfer of Service. If you are not able to complete the transfer via email, please contact our Assumption of Liability Team at 888-832-4540 for further support. Let us know if this helped.