How To Fix CNV_20100249 - Alternative account of &1 differs from &2 in company code &3 (SKB1-ALTKT)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 249

• Message text: Alternative account of &1 differs from &2 in company code &3 (SKB1-ALTKT)

What causes this issue?

Accounts &V1& and &V2& have different alternative account numbers
(ALTKT) in company code &V3&.
These accounts are to be merged into a new account called &V4&. This may
lead to problems.

System Response

The conversion can take place anyway.

How to fix this error?

Check if you really want the merge to take place in this way. If not,
change the mapping table accordingly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100249 - Alternative account of &1 differs from &2 in company code &3 (SKB1-ALTKT) ?

  The SAP error message CNV_20100249 indicates that there is a discrepancy between the alternative account specified in the system and the expected alternative account for a given company code. This error typically arises during data migration or when performing certain financial operations where alternative accounts are involved.
  Cause:
  The error occurs when:
  
  The alternative account (ALTKT) defined in the system for a specific account does not match the alternative account that is expected for that account in the specified company code.
  This can happen due to incorrect data migration, manual data entry errors, or inconsistencies in the configuration of the accounts in the SAP system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Verify the configuration of the accounts in the SKB1 table (which contains company code-specific data for G/L accounts).
  Ensure that the alternative account (ALTKT) is correctly defined for the specified account in the relevant company code.
  
  
  
  Data Consistency:
  
  Check for any inconsistencies in the data that may have been migrated or entered manually. Ensure that the alternative accounts are consistent across all relevant records.
  
  
  
  Correct the Alternative Account:
  
  If the alternative account is incorrect, update it to match the expected value. This can be done through transaction codes like FS00 (G/L Account Master Data) or through data migration tools if applicable.
  
  
  
  Review Migration Process:
  
  If this error occurred during a data migration process, review the migration mapping and ensure that the alternative accounts are correctly mapped and populated.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to this specific error message for additional guidance and troubleshooting steps.
  
  
  
  Testing:
  
  After making the necessary corrections, perform tests to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  FS00: G/L Account Master Data
  SE16N: Data Browser (to view SKB1 table)
  
  
  
  SAP Notes:
  
  Check SAP Notes for any known issues or patches related to this error message.
  
  
  
  Support:
  
  If the issue persists after following the above steps, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_20100249 error in your SAP system.