Hi ,
I am getting "unknown order/1/s" error , I have seen your document regarding all the error 's http://docs.openstream.ch/payment-provider/postfinance-error-messages/... I have created new SHA-1-IN Signature but still it is not working......I have set the same SHA-1-IN Signature in both SHA-1-IN and SHA-1-out also in the admin side....is this right?????...please help.