Payment Declined

[cse1]

I tried processing a payment for an order but it said "declined security header not valid" Does anyone know what this means?

[PayPal_Donna]

Hello cse1,

Welcome to the PayPal community and thank you for your post.

As your question is very account specific, I would advise you to contact our customer care department who can help you further. You can do this by clicking on the Help and Contact link at the bottom of every PayPal page to check what your contact options are. You can also contact us via our Facebook Page or Twitter @askPayPal.

-Donna