How To Fix /IWFND/MED_SVC_MU_LA027 - No operation for target ID '&1' of reference ID '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/MED_SVC_MU_LA -

• Message number: 027

• Message text: No operation for target ID '&1' of reference ID '&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 /IWFND/MED_SVC_MU_LA027 - No operation for target ID '&1' of reference ID '&2' ?

  The SAP error message /IWFND/MED_SVC_MU_LA027 No operation for target ID '&1' of reference ID '&2' typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to find a corresponding operation for the specified target ID and reference ID in the service definition.
  Cause:
  
  Missing Operation: The target ID specified in the error message does not have a corresponding operation defined in the OData service.
  Incorrect Configuration: There may be a misconfiguration in the service definition or the service itself may not be properly activated.
  Service Not Registered: The OData service might not be registered or activated in the SAP Gateway.
  Authorization Issues: There could be authorization issues preventing access to the operation.
  Service Versioning: If there are multiple versions of the service, the requested operation might not exist in the version being accessed.
  
  Solution:
  
  
  Check Service Definition:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW) and check the service definition for the target ID and reference ID mentioned in the error message.
  Ensure that the operation is defined correctly.
  
  
  
  Activate the Service:
  
  Ensure that the OData service is activated. You can do this using transaction code /IWFND/MAINT_SERVICE.
  Check if the service is listed and activated. If not, activate it.
  
  
  
  Check Service Registration:
  
  Verify that the service is registered in the SAP Gateway. Use transaction code /IWFND/MAINT_SERVICE to check the registration status.
  
  
  
  Review Authorization:
  
  Check if the user has the necessary authorizations to access the OData service and its operations. You may need to consult with your security team to ensure proper roles are assigned.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to trace the request and identify where the operation is failing.
  
  
  
  Check for Versioning Issues:
  
  If your service has multiple versions, ensure that you are accessing the correct version that contains the required operation.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to OData services and the specific error message for any known issues or patches.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Review the official SAP documentation on OData services and SAP Gateway for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWFND/MED_SVC_MU_LA027.