I am trying to get an invoice for my subscription (which I assume is found on the same page, https://joplincloud.com/stripe/portal ) and am getting the same error in both Firefox and Chromium:
I have reached out twice on Twitter and sent an email to support@joblinapp.org but no reply. Maybe it's a time difference? Strange how the system worked to accept credit card details and not a cancellation or am I being too cynical.