How To Fix /IWFND/CM_DESIGNTIME119 - Child node '&1' does not exist for parent node '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_DESIGNTIME -

• Message number: 119

• Message text: Child node '&1' does not exist for parent node '&2'

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 /IWFND/CM_DESIGNTIME119 - Child node '&1' does not exist for parent node '&2' ?

  The SAP error message /IWFND/CM_DESIGNTIME119 indicates that there is an issue with the metadata definition in your OData service. Specifically, it means that a child node (entity or property) that is expected to exist under a parent node (entity type) is not found. This can occur during the design time of an OData service when the service is trying to access or reference a node that has not been defined or is incorrectly configured.
  Causes:
  
  Missing Entity or Property: The child node (entity or property) is not defined in the metadata of the OData service.
  Incorrect Naming: There may be a typo or mismatch in the naming of the child node in the service definition.
  Model Changes: If the underlying data model has changed (e.g., an entity was deleted or renamed), the OData service may still reference the old structure.
  Service Registration Issues: The OData service may not be properly registered or activated in the SAP Gateway.
  Versioning Issues: If there are multiple versions of the service, the wrong version may be called, leading to discrepancies in the expected structure.
  
  Solutions:
  
  Check Metadata: Review the metadata of the OData service to ensure that the child node is defined correctly under the parent node. You can access the metadata by appending $metadata to the service URL.
  Update Service Definition: If the child node is missing, you may need to add it to the service definition in the SAP Gateway Service Builder (transaction code SEGW).
  Regenerate the Service: If changes were made to the underlying data model, regenerate the OData service to ensure that the metadata is up to date.
  Check Naming Conventions: Ensure that the names of the entities and properties are consistent and correctly spelled in both the service definition and the data model.
  Activate the Service: Make sure that the OData service is activated in the SAP Gateway. You can do this in transaction code /IWFND/MAINT_SERVICE.
  Clear Cache: Sometimes, clearing the cache of the OData service can resolve issues related to outdated metadata. You can do this using transaction code /IWFND/CACHE.
  Check for Version Conflicts: If you have multiple versions of the service, ensure that you are accessing the correct version that contains the expected structure.
  
  Related Information:
  
  Transaction Codes:
  
  SEGW: Service Builder for OData services.
  /IWFND/MAINT_SERVICE: Maintenance of OData services.
  /IWFND/CACHE: Cache management for OData services.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance related to this error.
  Documentation: Refer to the SAP Gateway documentation for best practices in defining and managing OData services.
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWFND/CM_DESIGNTIME119 error message.