How To Fix /IWBEP/CM_V4_RUNTIME101 - Message targets are not supported accross services

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 101

• Message text: Message targets are not supported accross services

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 /IWBEP/CM_V4_RUNTIME101 - Message targets are not supported accross services ?

  The SAP error message /IWBEP/CM_V4_RUNTIME101 with the description "Message targets are not supported across services" typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the way the OData service is trying to access or manipulate data across different services, which is not allowed.
  Cause:
  
  Cross-Service Access: The error usually arises when an OData service attempts to access or reference entities or data from another OData service. In SAP Gateway, each service is designed to operate independently, and cross-service references are not supported.
  Incorrect Service Configuration: The OData service might be incorrectly configured, leading to attempts to access data from another service.
  Navigation Properties: If you have defined navigation properties in your OData model that point to entities in another service, this can trigger the error.
  
  Solution:
  
  Check Service Dependencies: Review the OData service definitions and ensure that they do not reference entities from other services. If you need to access data from another service, consider consolidating the data into a single service.
  Use Service Composition: If you need to work with data from multiple services, consider using service composition techniques. This involves creating a new service that aggregates data from the required services.
  Modify Navigation Properties: If navigation properties are causing the issue, you may need to remove or adjust them to ensure they only reference entities within the same service.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for detailed error logs that can provide more context on the issue.
  Review OData Model: Ensure that the OData model is correctly defined and does not include references to other services.
  
  Related Information:
  
  SAP Gateway Documentation: Review the official SAP Gateway documentation for guidelines on service creation and limitations regarding cross-service access.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have implemented.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide updates and patches that could resolve the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.