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

SAP Error Message - Details

• 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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  Version Mismatch: If there are multiple versions of the interface, the system might be referencing an outdated or incorrect version.
  
  Solution:
  
  Check Configuration: Review the configuration of the interface in the Integration Directory or the relevant configuration settings. Ensure that the direction value is correctly set to either "Inbound" or "Outbound."
  Validate Direction Values: Ensure that the direction values being used are valid and recognized by the system. Refer to the documentation or configuration guide for the specific interface to confirm the acceptable values.
  Correct Typographical Errors: Double-check for any typos in the interface name or direction value. Ensure that they match the expected values in the system.
  Update Interface Version: If there are multiple versions of the interface, ensure that the correct version is being used and that it is properly configured.
  Consult Documentation: Refer to SAP documentation or notes related to the specific interface for any additional configuration requirements or known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Use transaction codes like SXMB_MONI (for monitoring messages) or SPRO (for configuration) to investigate further.
  Logs and Traces: Review logs and traces for more detailed error messages that may provide additional context for the issue.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, it may be beneficial to engage with SAP support for further assistance.