To have a successful hurdle free instalment get the prerequisite. Before using the Klarna On-Site Messaging app, merchants should integrate the Klarna Payments app. Get the link here: Klarna Payments install wizard.
API credentials and the instructions to activate will be received. Follow it to activate Klarna Payment in Shopify store app. Klarna Payments on Shopify – Merchant Guide.
So it might happen that the Java script errors prevent the app code from running and the store blocks the app preview. Here you can directly integrate Klarna On-Site Messaging manually instead of using the Shopify app and use custom code for your store, or use a combination of the app and custom code. If you are directly entering code in Shopify theme instead of using SKOSM, make sure you refresh the placements when variants change. Now follow the three steps mentioned below:
First of all disconnect your account from the setting’s page if you don’t wish to use the Klarna App. Then delete the app this will remove all the libraries. Look at the below image: