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

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/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 /IWFND/CM_MGW_RT134 - Navigation property '&1' references to disabled association '&2' ?

  The SAP error message /IWFND/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 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 associations between entities.
  Service Activation: The OData service may not be activated correctly, or the metadata might not be updated after changes were made to the model.
  Authorization Issues: Sometimes, authorization issues can prevent access to certain associations, leading to this error.
  
  Solution:
  
  
  Check Association Definition:
  
  Go to the Data Model in the SAP Gateway Service Builder (transaction code SEGW).
  Verify that the association &2 is correctly defined and enabled.
  Ensure that the navigation property &1 is correctly referencing the association.
  
  
  
  Activate the Service:
  
  If changes were made to the model, ensure that the service is activated. You can do this in the Service Maintenance (transaction code /IWFND/MAINT_SERVICE).
  After making changes, regenerate the runtime artifacts and activate the service.
  
  
  
  Update Metadata:
  
  If you have made changes to the model, ensure that the metadata is updated. You can do this by regenerating the service in the Service Builder.
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to access the entities and associations involved.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to trace where the error occurs. This can provide more insight into the problem.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Gateway documentation for best practices on defining associations and navigation properties.
  Community Forums: Consider searching or posting in SAP Community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /IWFND/CM_MGW_RT134.