ISSUE:
I have a problem with the GiftCard extension. When I go to the checkout page and try to log in, I receive an error just after adding the password in the checkout page and Finnish site:
Magento_Ui/js/core/app": Error: Class 'Klarna\Core\Model\Checkout\Orderline\Discount' not found in /var/www/magento2/app/code/Bss/GiftCard/Model/Checkout/Orderline/Giftcard.php:72
SOLUTION:
On Magento 2.4.x, the class Klarna\Core\Model\Checkout\Orderline\Discount has already been removed by Klarna, which caused an unexpected error on your site.
To temporarily resolve the issue, please edit the file: app/code/Bss/GiftCard/Model/Checkout/Orderline/Giftcard.php as below:

Or download the file attached below to override the current file on your site.
If you need any further assistance, please feel free to contact us. We'd be happy to support you!
Learn more about us!!
BSS Commerce is a trusted Magento 2 extensions provider with 14+ years of experience, serving 75,000+ customers worldwide. We are an Adobe Commerce Solution Bronze Partner and a Select Magento Extensions Builder, reinforcing our expertise in the Magento ecosystem.
We specialize in developing 150+ high-quality Magento 2 extensions that enhance functionality, improve user experience, and support scalable growth. Our reputation is built on long-term partnerships, positive feedback, and proven performance-driven solutions.
Explore our extensions: https://bsscommerce.com/magento-2-extensions.html
Get our extensions now:
- BSS Commerce’s Magento 2 B2B Extension helps you close more wholesale deals with efficient ordering and customized pricing.
- BSS Commerce’s Magento 2 SEO Extension attracts more customers and increases conversions with optimized search performance.
If you need any further assistance, please feel free to contact us. We'd be happy to support you!
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article