How To Fix CNV_20100233 - Temporary duplicate occurs for account &2; see long text

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 233

• Message text: Temporary duplicate occurs for account &2; see long text

What causes this issue?

Account &V1& is to be renamed to account &V2&. Account &V2& exists in
the system, and will be renamed to &V3&. This will cause
<DS:TX.CNV_MBT_TEMP_DUPLICATES>temporary duplicates</>.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Check your mapping table for correctness.
If the mapping is correct, be aware that the conversion runtime might be
longer.
Otherwise correct the mapping values.
If the runtime is critical, we recommend to avoid temporary duplicates
and change the mapping values.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100233 - Temporary duplicate occurs for account &2; see long text ?

  The SAP error message CNV_20100233, which indicates a "Temporary duplicate occurs for account &2," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error suggests that there is a temporary duplicate entry for a specific account in the system, which can hinder the migration process.
  Cause:
  
  Duplicate Data: The most common cause is that there are duplicate entries in the source data that are being migrated. This can happen if the same account is listed multiple times in the data source.
  Data Mapping Issues: There may be issues with how accounts are mapped from the legacy system to the new system, leading to conflicts.
  Temporary State: The error may also occur if the system is in a temporary state where it cannot resolve the duplicates due to ongoing processes or transactions.
  
  Solution:
  
  Check Source Data: Review the source data for duplicates. Ensure that each account is unique and that there are no unintended duplicates in the data being migrated.
  Data Cleansing: If duplicates are found, clean the data by removing or consolidating duplicate entries before attempting the migration again.
  Mapping Review: Verify the mapping of accounts from the legacy system to the new system. Ensure that each account is correctly mapped and that there are no conflicts.
  Temporary Resolution: If the error is due to a temporary state, wait for any ongoing processes to complete and then retry the migration.
  Consult Long Text: The error message suggests checking the long text for more details. This can provide specific guidance or additional context related to the error.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE16 or SE11 to check the relevant tables for duplicates.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Migration Tools: Familiarize yourself with the specific migration tools and their documentation, as they may provide additional insights or troubleshooting steps.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.