How To Fix /IWBEP/CM_V4_MED365 - Operation '&1' has more than one operation advertising mapping property

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 365

• Message text: Operation '&1' has more than one operation advertising mapping property

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 /IWBEP/CM_V4_MED365 - Operation '&1' has more than one operation advertising mapping property ?

  The SAP error message /IWBEP/CM_V4_MED365 indicates that there is an issue with the OData service configuration, specifically related to the operation mappings in the service definition. The error message states that the operation you are trying to execute has more than one operation advertising the same mapping property, which can lead to ambiguity in the service's behavior.
  Cause:
  
  
  Duplicate Operation Mappings: The error typically arises when multiple operations (like GET, POST, PUT, DELETE) in the OData service are configured to use the same mapping property. This can happen if the service definition has been incorrectly set up or if there are conflicting annotations in the metadata.
  
  
  Incorrect Annotations: If the annotations in the service definition (like @HttpMethod, @Path, etc.) are not properly defined, it can lead to multiple operations being recognized for the same mapping.
  
  
  Service Implementation Issues: If the underlying implementation of the service (like the ABAP code) has multiple methods that are trying to handle the same operation, it can also trigger this error.
  
  
  Solution:
  
  
  Review Operation Mappings: Check the service definition in the SAP Gateway Service Builder (transaction code SEGW) to ensure that each operation has a unique mapping property. Make sure that no two operations are trying to advertise the same mapping.
  
  
  Check Annotations: Review the annotations in your OData service metadata. Ensure that each operation is correctly annotated and that there are no conflicting annotations.
  
  
  Adjust Implementation: If the issue is in the implementation, review the ABAP code or the backend logic to ensure that each operation is clearly defined and does not overlap with others.
  
  
  Regenerate Service: After making changes, regenerate the service and re-activate it. This can sometimes resolve issues related to stale metadata.
  
  
  Test the Service: After making the necessary adjustments, test the OData service to ensure that the error is resolved and that the operations are functioning as expected.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SEGW (Service Builder) to manage OData services and SE80 (Object Navigator) to check the underlying implementation.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error.
  Documentation: Refer to the SAP Gateway documentation for best practices on defining OData services and handling operation mappings.
  
  By following these steps, you should be able to identify and resolve the cause of the error message /IWBEP/CM_V4_MED365.