How To Fix /IWBEP/CM_MGW_RT134 - Navigation property '&1' references to disabled association '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 134

• Message text: Navigation property '&1' references to disabled association '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT134 - Navigation property '&1' references to disabled association '&2' ?

  The SAP error message /IWBEP/CM_MGW_RT134 indicates that there is an issue with a navigation property in an OData service. Specifically, it states that the navigation property &1 references a disabled association &2. This typically occurs in the context of SAP Gateway and OData services when there is a problem with the associations defined in the data model.
  Cause:
  
  Disabled Association: The association that the navigation property is trying to reference is disabled. This can happen if the association was not properly defined or if it has been explicitly disabled in the service definition.
  Model Configuration: There may be issues in the data model configuration, such as missing or incorrect definitions of associations and navigation properties.
  Service Activation: The OData service may not be activated correctly, or there may be inconsistencies in the service metadata.
  
  Solution:
  
  
  Check Association Definitions:
  
  Go to the Data Model (e.g., in SEGW transaction) and check the associations defined for the entity types involved.
  Ensure that the association referenced by the navigation property is correctly defined and enabled.
  
  
  
  Enable the Association:
  
  If the association is disabled, you can enable it in the service definition. This may involve modifying the service model in the SAP Gateway Service Builder (transaction SEGW).
  
  
  
  Regenerate the Service:
  
  After making changes to the associations or navigation properties, regenerate the service. This can be done in the Service Builder by selecting the service and choosing the "Generate" option.
  
  
  
  Check Service Activation:
  
  Ensure that the OData service is activated in the SAP Gateway. You can check this in the transaction /IWFND/MAINT_SERVICE.
  
  
  
  Test the Service:
  
  After making the necessary changes, test the OData service to ensure that the navigation property works as expected.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SEGW: Service Builder for OData services.
  /IWFND/MAINT_SERVICE: Maintenance of OData services.
  
  
  Documentation: Refer to SAP Help documentation for OData services and SAP Gateway for detailed information on defining associations and navigation properties.
  Debugging: If the issue persists, consider using the SAP Gateway error log (transaction /IWFND/ERROR_LOG) to get more insights into the error.
  
  By following these steps, you should be able to resolve the error related to the navigation property and the disabled association in your SAP OData service.