Klarna Payments – Error codes
Common error codes from Klarna:
- 400 - Bad Value: purchase_currency
Your account at Klarna doesn't seem to be configured for the currency used in your store. What currency did you select when you signed up with Klarna? If you need support, you should email firstname.lastname@example.org
- 401 - Unauthorized
If you receive this error message it usually means that you are using your credentials for the wrong plugin. It could also mean that the username and/or password is incorrect, try copying & pasting instead of typing in directly and double check for whitespace. If you need support, you should email email@example.com
- 403 - Invalid_Operations
403 error code means the Klarna credentials authenticate successfully (so Klarna API credentials/username & password are correct) but merchant hasn't selected the Klarna products to enable these credentials to work yet. This can also show when you should be able to select products in the Klarna Merchant Portal, but if you need assistance, you can email firstname.lastname@example.org
- 403 - Merchant_Inactive
This means that your Klarna credentials are NOT activated and you need to contact email@example.com for further help.
- 404 - Not found
Where credentials were changed during the order. Please make sure to start a new browser session after changing credentials.
- 405 - Method not allowed
Merchants are encountering issues when their Klarna credentials are a valid username & password, but aren't correctly configured for the market they are using them for. Check which product (KP or KCO) you signed up with at Klarna or contact them on firstname.lastname@example.org