Seems a few other people get this error when trying to sign up. I definitely have buyers remorse now. Was going to port over my three phones from Koodo. Of course you have to pay in advance before you even have service. Now it doesn't even work, ...
I'm having the same issue and they are asking me for my eSim number that I got in the email. Do they not understand that we haven't even gotten to that point yet because the Subscription didn't go through, we're stuck at step 6. So frustrating that...