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CMK AP Invoice - Trading partner ID values were not in the payload error

edited Oct 24, 2025 10:39PM in Payables, Payments & Cash Management

Summary:

We have tried the following implementation of "Invoice - Inbound" process through CMK and B2B Adapter (to use SFTP listening channel). We have defined the Application Partner Code XPath in the Service Provider to get it inside the payload, defined the value in the Supplier/Trading Partner association and use the same value in the XML file.

The XML file (UBL PEPPOL) is correctly detected but there is the following error in Collaboration Messaging History :

The trading partner ID values were not in the payload error

As there is no other log message or detailed information about if the Application Partner Code was detected, how can we debug the issue? Is there a detailed or complete guide on how to implement Invoice Inbound with B2B adapter as most of the official documentation does not explain the whole setup to do?

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