How To Fix /IWBEP/CM_CP149 - The next link '&1' returned by the server is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 149

• Message text: The next link '&1' returned by the server is not supported

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_CP149 - The next link '&1' returned by the server is not supported ?

  The SAP error message /IWBEP/CM_CP149 The next link '&1' returned by the server is not supported typically occurs in the context of SAP Gateway and OData services. This error indicates that the OData service is trying to navigate to a related entity or resource, but the link provided is not supported or is not correctly defined in the service metadata.
  Causes:
  
  Incorrect Navigation Property: The navigation property defined in the OData service may not be correctly set up or may not exist.
  Service Metadata Issues: The metadata document for the OData service may not include the necessary information for the navigation link.
  Unsupported Entity Types: The entity type being navigated to may not be supported by the current service implementation.
  Authorization Issues: The user may not have the necessary permissions to access the linked entity.
  Service Versioning: If there are multiple versions of the service, the client may be trying to access a link that is not available in the current version.
  
  Solutions:
  
  Check Navigation Properties: Review the OData service definition and ensure that the navigation properties are correctly defined and implemented.
  Update Service Metadata: Regenerate the service metadata to ensure it reflects the current state of the data model and includes all necessary navigation links.
  Verify Entity Types: Ensure that the entity types being navigated to are correctly defined and supported in the service.
  Check Authorizations: Verify that the user has the necessary authorizations to access the linked entity.
  Test with Different Clients: Sometimes, the issue may be client-specific. Test the service with different clients (e.g., Postman, SAP Fiori) to see if the error persists.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG to check for any additional error messages or logs that can provide more context about the issue.
  
  Related Information:
  
  SAP Gateway: Understanding how SAP Gateway works and how it handles OData services can help in troubleshooting these types of errors.
  OData Protocol: Familiarity with the OData protocol and its conventions for navigation properties can provide insights into how to properly define and use links between entities.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error message.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.