Why am I seeing "An error occurred while loading the Stripe Portal" in the manage subscription page?

If you encounter an error when trying to access the "Manage Subscription" page Stripe Portal through a web2app redemption link, this typically means that the customer portal configuration for sandbox environment has not been set up in your Stripe account yet.

To resolve this issue:

1. Go to your Stripe Dashboard's Customer Portal settings page: https://dashboard.stripe.com/test/settings/billing/portal

2. Configure your customer portal settings for the sandbox/test environment

3. Save your configuration

Once configured, the Stripe Portal should load correctly when accessing it through the redemption link.

Note: Our team is working on automating this setup process to prevent this error from occurring in the future.