How To Fix CNV_20100461 - Table &1, field &2: Conversion routine has to be changed or confirmed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 461

• Message text: Table &1, field &2: Conversion routine has to be changed or confirmed

What causes this issue?

The initial conversion routine was not changed or confirmed.

System Response

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

How to fix this error?

Either confirm or change the intial conversion routine using the
troubleshooting functionality.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100461 - Table &1, field &2: Conversion routine has to be changed or confirmed ?

  The SAP error message CNV_20100461 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the conversion routine for a specific field in a table, which needs to be either changed or confirmed.
  Cause:
  
  Incompatible Data Types: The data type of the source field does not match the expected data type of the target field in the SAP system.
  Missing Conversion Routine: The conversion routine that is supposed to handle the transformation of data from the source to the target is either missing or not properly defined.
  Data Format Issues: The format of the data being migrated does not conform to the expected format defined in the conversion routine.
  Custom Fields: If the field is a custom field, the standard conversion routine may not apply, leading to this error.
  
  Solution:
  
  Check Conversion Routines: Review the conversion routines defined for the specific field in the target table. You can do this by checking the relevant data migration or conversion settings in the SAP system.
  Modify or Create Conversion Routines: If the existing conversion routine is not suitable, you may need to modify it or create a new one that correctly handles the data transformation.
  Data Validation: Ensure that the data being migrated is in the correct format and adheres to the expected data types. You may need to preprocess the data before migration.
  Use Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to check the table structure and conversion routines, or SE37 (Function Module) to review or create function modules for conversion.
  Consult Documentation: Refer to SAP documentation or notes related to data migration for specific guidance on handling conversion routines.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the migration object settings and ensure that all required fields and conversion routines are correctly defined.
  Testing: After making changes, perform a test migration to ensure that the error is resolved and that data is being converted correctly.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.