How To Fix >9406 - Direction &1 is not a valid value for interface &2

>9406 - Overview

• Message type: E = Error

• Message class: >9 - Messages for TAS

• Message number: 406

• Message text: Direction &1 is not a valid value for interface &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message >9406 - Direction &1 is not a valid value for interface &2 ?

  The SAP error message "9406 Direction &1 is not a valid value for interface &2" typically indicates that there is an issue with the configuration of an interface in the SAP system. This error is often encountered in the context of SAP PI/PO (Process Integration/Process Orchestration) or when dealing with IDocs, BAPIs, or other integration scenarios.
  
  Cause:
  
  Invalid Direction Value: The error suggests that the direction value provided (represented by &1) is not recognized as valid for the specified interface (represented by &2). The direction could be "Inbound" or "Outbound," and if an incorrect value is provided, this error will occur.
  
  Configuration Issues: There may be a misconfiguration in the interface settings, such as incorrect mapping or settings in the Integration Directory or the relevant configuration objects.
  Typographical Errors: There could be a simple typo in the direction value or the interface name.
  Version Mismatch: If there are multiple versions of the interface, the system