How To Fix KEBAPI251 - Invalid field list: field name &1 unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: KEBAPI - Messages for BAPIs

• Message number: 251

• Message text: Invalid field list: field name &1 unknown

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 KEBAPI251 - Invalid field list: field name &1 unknown ?

  The SAP error message KEBAPI251 indicates that there is an issue with the field list being used in a BAPI (Business Application Programming Interface) call, specifically that one of the field names specified is not recognized or is invalid. This can occur in various contexts, such as when working with cost center accounting or other financial modules.
  Cause:
  
  Invalid Field Name: The field name specified in the BAPI call does not exist in the data structure or is misspelled.
  Incorrect Structure: The structure being referenced may not contain the field you are trying to access.
  Version Mismatch: The BAPI being called may have been updated or changed, and the field names may have been altered or deprecated.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain fields, leading to this error.
  
  Solution:
  
  Check Field Names: Verify that the field names being used in the BAPI call are correct. You can do this by checking the documentation for the BAPI or by using transaction SE37 to view the BAPI definition.
  Review Data Structures: Ensure that the data structure you are working with includes the fields you are trying to access. You can use transaction SE11 to check the structure definitions.
  Update Code: If you are using custom code, ensure that it is updated to reflect any changes in the BAPI or data structures.
  Test with Standard Data: If possible, test the BAPI with standard data to see if the error persists. This can help isolate whether the issue is with the data being passed or the BAPI itself.
  Check Authorizations: Ensure that the user executing the BAPI has the necessary authorizations to access the fields in question.
  Consult SAP Notes: Look for any relevant SAP Notes that might address this specific error or provide guidance on changes to the BAPI.
  
  Related Information:
  
  BAPI Documentation: Always refer to the official SAP documentation for the specific BAPI you are using to understand the expected input and output parameters.
  Transaction Codes: Use transaction codes like SE37 (for BAPI), SE11 (for data dictionary), and SE80 (for object navigator) to investigate and troubleshoot the issue.
  SAP Community: Engage with the SAP Community or forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the KEBAPI251 error and implement a suitable solution.