Upgrade to 4.7.114
A new attribute is introduced to the Litium.AddOns.Klarna.dll.config file, distributeHppSessionPaymentLink
Edit your Litium.AddOns.Klarna.dll.config to add this attribute.
<paymentAccount
paymentAccIdentifier=""
merchantId=""
sharedSecret=""
....
....
distributeHppSessionPaymentLink ="false" >
</paymentAccount>
Set this attribute to true, when using payment links with Klarna. See more details here >>