How To Fix CM_EHFND_API_SUBST002 - Key fields in table &1 are not filled.

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_API_SUBST -

• Message number: 002

• Message text: Key fields in table &1 are not filled.

What causes this issue?

The key fields in table &V1& are not filled.

System Response

The system stops processing.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Ensure that the key fields and the foreign keys to the parent object are
filled.
For more information, consider the documentation of the function module
EHFND_API_SUBST_MODIFY.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_API_SUBST002 - Key fields in table &1 are not filled. ?

  The SAP error message CM_EHFND_API_SUBST002 indicates that key fields in a specified table (denoted as &1) are not filled. This error typically arises in the context of using the SAP HANA database or when working with the SAP Cloud Platform, particularly in scenarios involving data manipulation or API calls.
  Cause:
  The error occurs when an operation (like an insert, update, or delete) is attempted on a table where the required key fields are not populated. Key fields are essential for uniquely identifying records in a database table, and if they are missing, the operation cannot proceed.
  Common Causes:
  
  Missing Data: The application logic may not be providing the necessary key fields when trying to create or update a record.
  Incorrect Mapping: If you are using an API or a data model, there might be a mismatch between the expected key fields and the actual data being sent.
  Configuration Issues: There may be issues in the configuration of the data model or the API that lead to key fields not being populated correctly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Input: Ensure that all required key fields are being populated in the data input. Review the data being sent to the API or the data model to confirm that all necessary fields are included.
  
  
  Review API Documentation: If you are using an API, consult the API documentation to understand which fields are required and ensure that your request includes all mandatory fields.
  
  
  Debugging: If you have access to the backend, use debugging tools to trace the execution and identify where the key fields are not being set. This can help pinpoint the exact location in the code where the issue arises.
  
  
  Configuration Review: Check the configuration of the relevant data model or API to ensure that it is set up correctly and that all key fields are defined as expected.
  
  
  Consult SAP Notes: Look for any relevant SAP Notes or knowledge base articles that might address this specific error message. SAP frequently updates its documentation and provides solutions for common issues.
  
  
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that the application behaves as expected.
  
  
  Related Information:
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and you have a support agreement, consider reaching out to SAP Support for assistance.
  Documentation: Review the official SAP documentation for the specific module or API you are working with to ensure compliance with best practices.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.