Usually a quick fix on your bank's side. Common reasons:
- Insufficient funds or a low card limit.
- 3-D Secure / verification not completed.
- Bank fraud protection flagged it — a quick call to approve it usually resolves it.
- Expired card.
Purchases in Scout are paid through your Google Play account, so the card is managed there: Google Play → your profile → Payments & subscriptions → Payment methods. Update or add a card, ask your bank to approve the Google Play charge, then try again. Still stuck? Email support@searchscout.app.