How To Fix CNV_20100409 - Account length in target chart of account &1 was set to &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 409

• Message text: Account length in target chart of account &1 was set to &2

What causes this issue?

The significant length for chart of accounts &V1& was determined by the
system.
If the new chart of account exists already, the value specified for this
chart of account will be used. If not, the value from the source chart
of accounts for which the priority indicator was set is used. If no
priority is set, and if there are different values for the different
source charts of accounts, the highest existing value is used.

How to fix this error?

You can overwrite the significant length 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_20100409 - Account length in target chart of account &1 was set to &2 ?

  The SAP error message CNV_20100409 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a mismatch between the account length defined in the target chart of accounts and the length of the account numbers being used in the source data.
  Cause:
  The error message is triggered when:
  
  The account length in the target chart of accounts (specified as &1) is different from the length of the account numbers being imported or converted (specified as &2).
  This can happen if the source system has a different configuration for account lengths compared to the target system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Target Chart of Accounts Configuration:
  
  Go to the target system and check the configuration of the chart of accounts. Ensure that the account length is set correctly according to your business requirements.
  
  
  
  Review Source Data:
  
  Inspect the source data to determine the length of the account numbers being used. Ensure that they conform to the expected length in the target chart of accounts.
  
  
  
  Adjust Account Length:
  
  If necessary, you may need to adjust the account length in the target chart of accounts to accommodate the source data. This can be done in the configuration settings of the target system.
  
  
  
  Data Mapping:
  
  If the account numbers in the source system are longer than those in the target system, consider mapping or transforming the account numbers during the migration process to fit the target length.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or migration guides for specific instructions on handling account lengths during data migration.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform a test migration to ensure that the error does not occur again.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OB13 (to maintain chart of accounts) or OBD2 (to define account groups) to check and modify the settings.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to this error.
  Migration Tools: Familiarize yourself with the specific migration tools you are using, as they may have their own settings and configurations that could affect account lengths.
  
  By following these steps, you should be able to resolve the CNV_20100409 error and successfully complete your data migration or conversion process.