PM autopay is not reliable. Keep the autopay enabled to get the autopay $2 discount every 30 days. But you can add fund to your account before your renewal date. As soon as your received your payment reminder from PM, add enough fund to your account to pay for your renewal. Renewal using available fund in your account + your rewards credit always works.
I know that purpose of autopay is set it and forget it. Until PM fixed the autopay glitches, this is the only sure way to get your plan renewed every time.
When you have account related issue, create a support ticket to ask moderator for assistant. https://publicmobile.ca.ada.support/chat/
Members on this forum can only help you on non-account-access issues.
T that does not work at all I tried that myself it's all just basic question something simple but when it comes to payment things they they basically doesn't help you at all