feat(payment): PAYPAL-6634 Improve Error Messaging for Bank-Declined 3DS Authentication (PayPal PPCP) - #3284
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…3DS Authentication (PayPal PPCP)
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What/Why?
Improve Error Messaging for Bank-Declined 3DS Authentication (PayPal PPCP)
Rollout/Rollback
Revert
Testing
Screen.Recording.2026-08-27.at.13.00.51.mov
Screen.Recording.2026-08-27.at.13.03.24.mov
Note
Low Risk
Localized checkout error copy and mapping only; no auth or payment execution logic changes beyond the SDK patch bump.
Overview
Shows a specific shopper message when place-order fails with
bank_declined_authentication(PayPal PPCP / bank-declined 3DS), instead of a generic payment error.mapSubmitOrderErrorMessagenow handles that error type viapayment.errors.bank_declined_authentication, with matching English copy and a unit test.@bigcommerce/checkout-sdkis bumped to ^1.971.0 (lockfile updated) so the new error type can surface from the SDK.Reviewed by Cursor Bugbot for commit ec42511. Bugbot is set up for automated code reviews on this repo. Configure here.