How To Fix /IWFND/CM_IFL016 - Node for external relation '&1' is located in GSDO type '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_IFL -

• Message number: 016

• Message text: Node for external relation '&1' is located in GSDO type '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_IFL016 - Node for external relation '&1' is located in GSDO type '&2' ?

  The SAP error message /IWFND/CM_IFL016 typically relates to issues in the SAP Gateway framework, particularly when dealing with external relations in the context of OData services. The message indicates that there is a problem with a node that is expected to be part of an external relation, but it is not found in the specified GSDO (Generic Service Data Object) type.
  Cause:
  
  Incorrect Configuration: The external relation might not be properly configured in the OData service or the underlying data model.
  Missing Metadata: The metadata for the OData service may not include the necessary definitions for the specified node or relation.
  Inconsistent Data Model: There may be inconsistencies in the data model, such as missing associations or navigation properties.
  Transport Issues: If the service was recently transported from one system to another, some dependencies might not have been transported correctly.
  
  Solution:
  
  
  Check OData Service Configuration:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW) and check the service definition for the external relation.
  Ensure that the node and its associations are correctly defined.
  
  
  
  Review Metadata:
  
  Use the /IWFND/MAINT_SERVICE transaction to check the metadata of the OData service.
  Ensure that the node in question is included in the metadata and that the relationships are correctly defined.
  
  
  
  Validate Data Model:
  
  Check the underlying data model (e.g., database tables, views) to ensure that the necessary fields and relationships exist.
  If using ABAP CDS views, ensure that the associations are correctly defined.
  
  
  
  Re-generate the Service:
  
  If changes were made to the data model or service definition, regenerate the service in the Service Builder and activate it.
  
  
  
  Check Transport Requests:
  
  If the issue arose after a transport, verify that all necessary objects were included in the transport request.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to trace where the error occurs and gather more context about the failure.
  
  
  
  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 in defining external relations and OData services.
  Community Forums: Engage with the SAP Community or forums for 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_IFL016.