"There was an unexpected error -- try again in a few seconds" on presentPaymentSheet

[Hamlet626]

Describe the bug
every time Stripe.instance.presentPaymentSheet() shows error:
StripeException(error: LocalizedErrorMessage(code: FailureCode.Failed, localizedMessage: There was an unexpected error -- try again in a few seconds, message: There was an unexpected error -- try again in a few seconds, stripeErrorCode: null, declineCode: null, type: null))
on both test or live mode.

To Reproduce
Steps to reproduce the behavior:

1. when page loads: final stripeCusId=...; callBackendFunctions('stripeSetupIntent',{ 'cusId':stripeCusId }).then((v)async{ final clientSec=v.data['client_secret'] as String; final res=await Stripe.instance.initPaymentSheet(paymentSheetParameters: SetupPaymentSheetParameters( customerId: stripeCusId, setupIntentClientSecret: clientSec, intentConfiguration: IntentConfiguration( mode: IntentMode.setupMode(setupFutureUsage: IntentFutureUsage.OffSession), ), )); setupReady.value=true; });
2. then await Stripe.instance.presentPaymentSheet();
3. the Payment sheet pops and shows the error

Screen.Recording.2025-06-21.at.6.12.13.PM.mov

• Package version: ^11.5.0
• Flutter version 3.27.3

Additional context
The Stripe console seems fine, and this error appears every time when Stripe.instance.presentPaymentSheet is called.
Anyone know where the issue is, or maybe show helpful messages for debugging, thanks?

[remonh87]

This normally happens when there is something off in the ocnfiguration. Make sure that your intentclientsecret is correct and that it uses the same environment as the backend.

The error shown is something we get from the stripe sdk and we forward it.