How To Fix CNV_40300021 - New asset class &1 is neither in the mapping nor in the value table

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 021

• Message text: New asset class &1 is neither in the mapping nor in the value table

What causes this issue?

The new asset class &V1& in the mapping for 'asset class descriptions'
isneither found in the mapping for 'asset classes' as new value nor is
it found in the asset class customizing table ANKA.

System Response

Error

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_40300021 - New asset class &1 is neither in the mapping nor in the value table ?

  The SAP error message CNV_40300021 indicates that a new asset class (denoted as &1) is not found in the mapping or value table during a data migration or conversion process. This error typically arises in the context of using the SAP Conversion Tools, particularly when migrating data from legacy systems to SAP S/4HANA or during system upgrades.
  Cause:
  
  Missing Mapping: The asset class you are trying to use has not been defined in the mapping table. This means that the system does not know how to handle this asset class during the conversion process.
  Incorrect Configuration: The asset class may not be configured correctly in the system, or it may not exist in the target system.
  Data Inconsistency: There may be inconsistencies in the data being migrated, such as references to asset classes that are not valid or recognized in the target system.
  
  Solution:
  
  
  Check Mapping Table: 
  
  Verify that the asset class in question is included in the mapping table. You can do this by accessing the relevant transaction or tool used for the migration (e.g., the SAP Migration Cockpit or the specific conversion tool).
  If the asset class is missing, you will need to add it to the mapping table with the appropriate mappings to the target asset classes.
  
  
  
  Review Configuration:
  
  Ensure that the asset class is correctly configured in the target SAP system. Check the configuration settings for asset classes in the Asset Accounting module (transaction code OAOA).
  If the asset class does not exist, you may need to create it in the target system.
  
  
  
  Data Validation:
  
  Validate the data being migrated to ensure that all asset classes referenced in the source data are valid and correctly mapped to the target system.
  Use data validation tools or reports to identify any discrepancies in the asset class data.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the specific migration or conversion process you are undertaking. This may provide additional insights or steps to resolve the issue.
  
  
  
  Seek Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who has experience with data migration and conversion processes.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OAOA (for asset class configuration) and the specific transaction for the migration tool you are using.
  SAP Notes: Check for any SAP Notes related to the error message CNV_40300021, as they may provide specific fixes or recommendations.
  Migration Tools: Understand the specific migration tools being used (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and their requirements for asset class mapping.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.