IOS
Open Project Settings → Stores → Apple App Store and, under Credentials on file, check that the App-specific shared secret matches the one in App Store Connect. See App-Specific Shared Secret.Android
Check in the Google Play Console that the service account has your app under App permissions and these Account permissions:- View app information and download bulk reports (read-only)
- View financial data, orders, and cancellation survey responses
- Manage orders and subscriptions