Just to confirm...
Testing mod_paysub. When making test payments product/subscription/payment info is populating in the admin properly, but redirect after payment fails.
According to
zotonic_mod_paysub/priv/templates/paysub_psp_done.tpl the redirect landing page after payment is "/payment/done/<payment-nr>".
Can you confirm what "payment-nr" refers to? Elsewhere it appears "checkout-nr" may be needed instead.
Am currently using "/payment/done/{CHECKOUT_SESSION_ID}" in the Stripe admin for redirect after payment, but get an "unknown payment" error from Zotonic, so the user is not added.
Have manually attempted several different ID's, none have worked. Can you verify which ID mod_paysub is looking for?
Thanks,
Seann