I have just purchased a TPG eSIM and have received the email confirmation with my new mobile number and instructions for account set up. However, when I click the My Account log in link, it comes up with the error message: "Oops! Sorry, the mobile number on your account is missing or invalid. Please call us on 13 14 23 for assistance." At present, I do not have a way of calling this number - how can I fix the issue of not being able to log into my account and set up my eSIM? ... View more