Hi @Benjamin40,
Two common issues are that cause this are incorrect credit card information or browser issues.
The issue could be the credit card details entered do not match the details registered to your payment method.
The most common issue could be that the credit card details entered do not match the details registered to your payment method. Please exit the checkout process and then visit https://www.airbnb.com/users/payment_methods and ensure you add the credit card information or that the information matches the information for your credit card billing address.
Another common issue can be resolved by clearing the cookies and cache of your browser and re-adding the default payment method but not while in the check-out page. Here is an easy to follow guide: https://kb.iu.edu/d/ahic
David
David
Superhost Ambassador ~ Host Club Community Leader ~ Community Expert ~ Experienced Co-Host