/IWFND/MED_CHECK016 - No node for source '&1' of reference '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/MED_CHECK -

• Message number: 016

• Message text: No node for source '&1' of reference '&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.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message /IWFND/MED_CHECK016 - No node for source '&1' of reference '&2' ?

  The SAP error message /IWFND/MED_CHECK016 No node for source '&1' of reference '&2' typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to find a specific node in the data model that corresponds to the source and reference provided in the error message.
  Cause:
  
  Missing Node: The specified node in the OData service is not defined in the metadata or is not available in the data model.
  Incorrect Mapping: There may be an issue with the mapping of the data source to the OData service, leading to a mismatch.
  Service Configuration: The OData service might not be properly configured or activated in the SAP Gateway.
  Authorization Issues: The user may not have the necessary authorizations to access the specified node.
  Data Model Changes: Changes in the underlying data model (like changes in the database or data structure) that are not reflected in the OData service.
  
  Solution:
  
  Check Metadata: Verify the metadata of the OData service to ensure that the node in question is defined correctly. You can access the metadata by appending $metadata to the service URL.
  Service Activation: Ensure that the OData service is activated in the SAP Gateway. You can check this in transaction /IWFND/MAINT_SERVICE.
  Review Data Model: If there have been recent changes to the underlying data model, ensure that the OData service is updated accordingly. You may need to regenerate the service or adjust the data model.
  Check Mappings: Review the mappings in the service definition to ensure that they are correctly set up to point to the right data sources.
  Authorization Check: Ensure that the user has the necessary authorizations to access the OData service and the specific node.
  Debugging: If the issue persists, consider debugging the OData service to trace where the error occurs and gather more information about the missing node.
  
  Related Information:
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To manage OData services.
  /IWFND/ERROR_LOG: To check for error logs related to OData services.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide patches related to this error.
  Documentation: Refer to the SAP Gateway documentation for more details on OData service development and troubleshooting.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution. If the problem persists, consider reaching out to SAP support for further assistance.