How To Fix CNV_40300023 - New asset class &1 in the descriptions mapping will not exist after conv.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_40300 - Message class for package 40300 (ANLKL)

• Message number: 023

• Message text: New asset class &1 in the descriptions mapping will not exist after conv.

What causes this issue?

The new asset class &V1& in the descriptions mapping will not exist
after the conversion.

System Response

The program found out that the asset class &V1& currently exists in the
mapping, but is converted to &V2&. No other asset class is converted to
&V1&. Hence asset class &V1& will not exist after the conversion.
Maintaining a description for asset class &V1& makes no sense.

How to fix this error?

Correct the mapping for new asset class descriptions.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_40300023 - New asset class &1 in the descriptions mapping will not exist after conv. ?

  The SAP error message CNV_40300023 typically occurs during a data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a new asset class specified in the mapping does not exist in the system after the conversion process.
  Cause:
  
  Missing Asset Class: The asset class specified in the mapping does not exist in the target system or has not been created prior to the migration.
  Mapping Issues: There may be an issue with the mapping configuration where the asset class is not correctly defined or linked to the appropriate descriptions.
  Data Inconsistencies: The source data may reference an asset class that is not valid or does not exist in the target system.
  
  Solution:
  
  
  Check Asset Class Configuration:
  
  Verify that the asset class exists in the target system. You can do this by navigating to the Asset Accounting configuration in the SAP system.
  If the asset class does not exist, create it in the target system before running the migration.
  
  
  
  Review Mapping Settings:
  
  Go through the mapping settings in the migration tool to ensure that all asset classes are correctly defined and mapped.
  Make sure that the descriptions and other attributes of the asset classes are correctly aligned with the source data.
  
  
  
  Data Validation:
  
  Validate the source data to ensure that it does not reference any asset classes that are not intended for migration.
  Clean up any inconsistencies in the source data before attempting the migration again.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using to ensure that you are following the correct procedures and guidelines.
  
  
  
  Testing:
  
  Perform a test migration with a smaller dataset to identify any potential issues before executing the full migration.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OAOA (for asset class configuration) or OAYZ (for asset class description) to manage asset classes.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on asset class migration.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it provides tools and templates for data migration.
  
  By addressing the above points, you should be able to resolve the error CNV_40300023 and successfully complete your migration process.