Rohith V S N
To add products first you need to create In-App products in Play Store (if you are working on Android App) or App Store Connect (iTunes Connect) if you are working on iOS App. Once the product is created in the respective platform you should add it in your SRC>Services>config.ts line 126
Here the product ID should be already registered and active and points should be the amount that you wish to credit to the user’s account for that particular product/purchase.
If the product id is not active or registered or is wrong, you will see “Sample Product” in your debug app /test flight beta app and the same error message of contacting admin to enable wallet in your production/release version.
If I am not wrong, WPLMS team has already explained it in their “Getting started with your APP” course.
I hope I have cleared your doubts.
All the best.