How To Fix WES_OUTBOUND031 - Service operation &1 is not defined in customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: WES_OUTBOUND - Messages for Outbound Services

• Message number: 031

• Message text: Service operation &1 is not defined in customizing

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WES_OUTBOUND031 - Service operation &1 is not defined in customizing ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WES_OUTBOUND031: Service operation &1 is not defined in customizing
  
  Cause:
  This error occurs when an outbound service operation (typically in the context of SAP PI/PO or SAP Process Integration scenarios) is called or triggered, but the corresponding service operation is not maintained or defined in the SAP customizing settings.
  In other words, the system expects a certain service operation to be configured in the integration or middleware setup, but it cannot find it. This usually happens when:
  
  The service operation has not been created or maintained in the customizing.
  There is a mismatch between the service operation name used in the integration flow and the one defined in SAP.
  The integration scenario or communication arrangement is incomplete or incorrectly configured.
  
  
  Where does this typically occur?
  
  In SAP PI/PO or SAP Process Integration scenarios.
  When using SAP middleware for outbound communication.
  During the configuration of web services or REST/SOAP services.
  In the customizing of the Integration Directory or communication arrangements.
  
  
  Solution:
  
  
  Check Customizing for Service Operation:
  
  Go to the relevant customizing transaction or IMG path where service operations are maintained.
  For example, in SAP PI/PO, check the Integration Directory or ESR (Enterprise Services Repository) to ensure the service operation is defined.
  In SAP S/4HANA or ECC, check the communication arrangement or web service configuration.
  
  
  
  Maintain the Missing Service Operation:
  
  If the service operation is missing, create and maintain it with the correct name and parameters.
  Ensure that the service operation name exactly matches the one expected by the integration flow or middleware.
  
  
  
  Verify Integration Scenario:
  
  Check the integration scenario or communication arrangement to ensure that the service operation is correctly assigned.
  Validate the communication channel and interface mappings.
  
  
  
  Check for Typographical Errors:
  
  Verify that the service operation name used in the code, configuration, or middleware matches exactly (case-sensitive) with the one defined in customizing.
  
  
  
  Transport and Synchronization:
  
  If the service operation was recently created, ensure that the customizing changes have been transported to the relevant system.
  Synchronize the ESR and Integration Directory if using SAP PI/PO.
  
  
  
  Consult SAP Notes:
  
  Sometimes, specific SAP Notes address issues related to service operation definitions. Check the SAP Support Portal for any relevant notes.
  
  
  
  
  Related Information:
  
  
  Transactions/Tools to check:
  
  SPRO (Customizing) ? Integration settings.
  SXMB_IFR (Integration Builder in PI/PO).
  SOAMANAGER (for web service configuration).
  SICF (for service activation).
  SM59 (RFC destinations, if relevant).
  
  
  
  SAP Documentation:
  
  SAP Help Portal for Integration scenarios.
  SAP Notes related to WES_OUTBOUND031 or service operation configuration.
  
  
  
  Common scenarios:
  
  When setting up outbound IDoc or proxy communication.
  When configuring OData or SOAP services for outbound communication.
  When integrating SAP with third-party systems via middleware.
  
  
  
  
  If you provide the exact context (e.g., which module or integration technology you are using), I can give more tailored instructions.
  
  Summary:
  
  The error "Service operation &1 is not defined in customizing" means the system cannot find the specified service operation in the configuration. To fix it, define or correct the service operation in the customizing settings and ensure it matches the integration scenario.
  
  If you need help with the exact customizing path or steps, please specify your SAP system version and integration technology.