Cannot use reward points when paying with Klarna Pay Now

[KathiD303]

Describe the bug
When using reward points in the checkout and proceeding the payment with Klarna Pay Now, the following error is shown:

[2024-04-03T12:46:05+0000] Error executing API call (422: Unprocessable Entity): The amount of the order does not match the total amount from the order lines. Expected order amount to be €19.98 but got €17.48. Field: amount. Documentation: https://docs.mollie.com/overview/handling-errors

Please note that the amount difference in the error message corresponds to the bonus points applied (2,50€).

Used versions

• Magento Version number(eg 2.3.5): 2.4.5-p6
• Open source/Enterprise/B2b: Magento 2 Commerce Cloud
• Mollie version number (Check configuration): 2.36

To Reproduce
Steps to reproduce the behavior:

1. Go to the checkout and use reward points on your order (only pay a partial amount of the order with reward points)
2. Click on pay with Klarna Pay Now and try to proceed with the payment
3. See error above

Expected behavior
Reward points can be used when paying with Klarna Pay Now

Actual behavior
Error message is displayed in cart

Screenshots
See screencast: https://go.screenpal.com/watch/cZfelHVslIX

[Frank-Magmodules]

Hey again @KathiD303! Thanks for bringing up this issue. Just to confirm, you're using the native function for Reward Points coming with Adobe Commerce here too, correct? This will help us reproduce and investigate further.

[KathiD303]

Hi @Frank-Magmodules : yes I do!

[Frank-Magmodules]

Clear, @KathiD303. I'll follow up with you either here or via email. Thanks!

[Frank-Magmodules]

As noted in #761, we've also addressed this issue in the latest release. I'll mark this as closed too, but don't hesitate to contact us if you have any further concerns! :)