First thing, check that you've entered your card details correctly.
Verify the expiry date and the cryptogram on the back of your card.
If the error message is still here, contact us :
From Monday to Friday from 10am to 7pm and Saturday from 2pm to 7pm,
- By the Chat on our website
- By phone : +33(0)531615790
- By text : +33(0)757076020
- By e-mail : firstname.lastname@example.org and we'll help you out !