How To Fix SEPM_EXCEPTIONS015 - Node key field name ( &1 ) for DB table &2 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: SEPM_EXCEPTIONS - EPM: Exception Messages

• Message number: 015

• Message text: Node key field name ( &1 ) for DB table &2 does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SEPM_EXCEPTIONS015 - Node key field name ( &1 ) for DB table &2 does not exist ?

  The SAP error message SEPM_EXCEPTIONS015 indicates that there is an issue with a node key field name in a database table. Specifically, the error message states that the key field name (represented by &1) for the database table (represented by &2) does not exist. This typically occurs in the context of SAP applications that utilize the SAP Gateway or OData services.
  Cause:
  
  Incorrect Field Name: The specified key field name does not match any of the fields defined in the database table. This could be due to a typo or an incorrect configuration.
  Table Structure Changes: If the database table structure has been changed (e.g., fields added or removed) and the OData service or application has not been updated accordingly, this error can occur.
  OData Service Configuration: The OData service may not be correctly configured to expose the key fields of the underlying database table.
  Data Model Issues: There may be issues in the data model definition, such as missing or incorrectly defined associations.
  
  Solution:
  
  Verify Field Name: Check the database table definition in the Data Dictionary (transaction SE11) to ensure that the key field name specified in the error message exists and is correctly spelled.
  Update OData Service: If the database table structure has changed, regenerate the OData service to reflect the current structure. This can be done using transaction /IWFND/MAINT_SERVICE to maintain and activate the OData service.
  Check Service Metadata: Use the OData service metadata URL (e.g., http://<host>:<port>/sap/opu/odata/sap/<service_name>/$metadata) to inspect the metadata and ensure that the key fields are correctly defined.
  Adjust Data Model: If there are issues in the data model, review the definitions in the relevant ABAP classes or data model configurations to ensure that all associations and key fields are correctly defined.
  Debugging: If the issue persists, consider debugging the application or service to trace where the error is being triggered and gather more context about the failure.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE80: Object Navigator
  /IWFND/MAINT_SERVICE: OData Service Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Documentation: Review SAP documentation on OData services and data model definitions for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.