How To Fix CNV_20100408 - Account length in source CoA differs from that in target CoA &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 408

• Message text: Account length in source CoA differs from that in target CoA &1

What causes this issue?

The significant length of the G/L accounts for target chart of accounts
&V1& could not be determined unambiguously because the length is defined
differently in the source charts of accounts and no priority was set.

How to fix this error?

Set the priority for the chart of account whose significant account
length shall prevail, or overwrite the value in Customizing for the new
chart of accounts.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100408 - Account length in source CoA differs from that in target CoA &1 ?

  The SAP error message CNV_20100408 indicates that there is a mismatch in the account length between the source Chart of Accounts (CoA) and the target CoA during a data migration or conversion process. This typically occurs in the context of using the SAP Conversion Tools or during the migration of financial data from one system to another.
  Cause:
  The error arises when the length of the account numbers in the source CoA does not match the length of the account numbers in the target CoA. For example, if the source CoA has account numbers that are 10 characters long, but the target CoA is set to accept only 8 characters, this discrepancy will trigger the error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check CoA Configuration:
  
  Verify the configuration of both the source and target CoAs. Ensure that the account length settings are consistent between the two.
  
  
  
  Adjust Source Data:
  
  If the source CoA has longer account numbers, consider adjusting the source data to match the target CoA's account length. This may involve truncating account numbers or modifying the data format.
  
  
  
  Modify Target CoA:
  
  If feasible, you can also modify the target CoA to accept longer account numbers. This may involve changing the configuration in the target system to accommodate the source data.
  
  
  
  Data Mapping:
  
  Ensure that the data mapping during the migration process is correctly set up to handle any discrepancies in account lengths. This may involve creating transformation rules that adjust the account numbers as needed.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform a test migration to ensure that the error is resolved and that the data is correctly migrated without further issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or guides related to the specific migration tool you are using, as they may provide additional insights or steps tailored to your situation.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like OBY6 (for Chart of Accounts) to check the configuration of your CoAs.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling CoA discrepancies.
  Data Migration Tools: Familiarize yourself with the SAP data migration tools and their configuration settings, as they often have specific requirements regarding data formats and lengths.
  
  By following these steps, you should be able to resolve the CNV_20100408 error and successfully complete your data migration process.