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Error while sending MDN using B2B Add-On AS2 Sender communication channel

Hi Experts,

  We have configured an AS2 sender communication channel to be able to receive EDI files from one of our EDI partners.

We have selected the option of sending the MDN "Immediately".

During the testing, we see that the message has been successfully processed .

However, when we check the Communication channel monitoring, we see that there is an error while trying to send the MDN.

The error says :

"Cannot send MDN: Remote server returned response code 400 and error message Bad Request"

The error logs from the NWA  has some more detail:

"Exception is fetching property: mdn.client.auth exception: com.sap.aii.af.service.cpa.impl.exception.CPAObjectException: Value with name mdn.client.auth not available ".

We have a similar set up with another B2B partner, where there is no issue.

Can someone let me know what is the error about?

Best Regards,

Ravikanth Talagana

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