How To Fix CNV_20110020 - In CoCd &2, there is a B segment, but no A segment for G/L account &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20110 - Pre-analysis for chart of accounts conversion

• Message number: 020

• Message text: In CoCd &2, there is a B segment, but no A segment for G/L account &1

What causes this issue?

In company code &V2&, there is a B segment (table SKB1), but no A
segment (table SKA1) for G/L account &V1&.

How to fix this error?

Remove this inconsistency by either creating the missing master data or
deleting the company code-related data for G/L account &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20110020 - In CoCd &2, there is a B segment, but no A segment for G/L account &1 ?

  The SAP error message CNV_20110020 indicates that there is a discrepancy in the data migration process, specifically related to the General Ledger (G/L) accounts during a conversion or migration project. This error typically arises when the system finds a B segment (which usually contains balance data) for a G/L account in a specific company code (CoCd), but it does not find a corresponding A segment (which contains master data) for that same G/L account.
  Cause:
  
  Missing Master Data: The A segment, which contains the master data for the G/L account, is missing. This could happen if the data migration process did not include the creation of the A segment for the G/L account before the B segment was created.
  Data Migration Issues: There may have been issues during the data migration process, such as incorrect mapping or incomplete data extraction from the legacy system.
  Configuration Errors: There might be configuration issues in the SAP system that prevent the proper creation of the A segment.
  
  Solution:
  
  Check Data Migration Process: Review the data migration process to ensure that the A segments for all G/L accounts are created before the B segments. This may involve re-running the migration for the affected accounts.
  Create Missing A Segment: If the A segment is indeed missing, you can manually create it in the SAP system. This can be done through transaction codes like FS00 (Create G/L Account) or using the appropriate migration tools.
  Data Validation: Validate the data being migrated to ensure that all necessary segments are included. This may involve checking the source data for completeness and correctness.
  Consult Documentation: Refer to the SAP documentation or migration guides specific to your version and scenario to ensure that all steps are being followed correctly.
  Engage SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if this is part of a larger migration project.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FS00 (Create G/L Account), FSP0 (Change G/L Account), and FBL3N (G/L Account Line Item Display) to manage G/L accounts.
  Migration Tools: If you are using SAP S/4HANA or other migration tools, ensure that you are following the specific guidelines for data migration provided by SAP.
  Error Logs: Check the error logs or migration logs for additional details that may help identify the root cause of the issue.
  
  By addressing the missing A segment and ensuring that the data migration process is correctly followed, you should be able to resolve the CNV_20110020 error.