How To Fix /IWBEP/EPM_PRODUCT015 - Key &1 is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/EPM_PRODUCT -

• Message number: 015

• Message text: Key &1 is missing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/EPM_PRODUCT015 - Key &1 is missing ?

  The SAP error message /IWBEP/EPM_PRODUCT015 Key &1 is missing typically occurs in the context of SAP Gateway or OData services when a required key field is not provided in the request. This error is often related to issues in the data model or the way the OData service is being called.
  Cause:
  
  
  Missing Key Field: The error indicates that a key field, which is necessary to identify a specific entity in the OData service, is not included in the request. This could be due to:
  
  The client application not sending the required key in the URL or payload.
  A misconfiguration in the OData service definition.
  An issue with the data model where the key is not properly defined.
  
  
  
  Incorrect URL: If the URL used to access the OData service does not include the necessary key parameters, this error will occur.
  
  
  Data Model Changes: If there have been recent changes to the data model (e.g., adding or removing key fields), the client application may not be updated accordingly.
  
  
  Solution:
  
  
  Check the Request: Ensure that the request being sent to the OData service includes all required key fields. For example, if the service expects a key like ProductID, make sure it is included in the request URL or body.
  
  
  Review OData Service Definition: Check the service definition in the SAP Gateway to ensure that the key fields are correctly defined. You can do this using transaction code /IWFND/MAINT_SERVICE to maintain the service and check the metadata.
  
  
  Update Client Application: If the client application is not sending the required keys, update it to include the necessary parameters in the request.
  
  
  Test with Postman or SAP Gateway Client: Use tools like Postman or the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to manually test the OData service and verify that the correct keys are being sent.
  
  
  Check for Changes in Data Model: If there have been recent changes to the underlying data model, ensure that the client application is updated to reflect these changes.
  
  
  Related Information:
  
  OData Services: Understanding how OData services work in SAP can help troubleshoot issues related to key fields and entity identification.
  SAP Gateway: Familiarity with SAP Gateway and its configuration can provide insights into how services are defined and how to troubleshoot related errors.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of SAP you are using.
  
  If the issue persists after checking these areas, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.