How To Fix CNV_40301023 - New acct. det. &1 in the descriptions mapping will not exist after conv.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_40301 - Message class for package 40301 (KTOGR)

• Message number: 023

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

What causes this issue?

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

System Response

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

How to fix this error?

Correct the mapping for new asset account determination 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_40301023 - New acct. det. &1 in the descriptions mapping will not exist after conv. ?

  The SAP error message CNV_40301023 indicates that during a data conversion process, a new account determination (accounting entry) specified in the mapping does not exist after the conversion. This typically occurs in the context of a data migration or system upgrade, where mappings between old and new data structures are being established.
  Cause:
  
  
  Missing Mapping: The error suggests that there is a missing mapping for a new account determination in the conversion process. This could be due to:
  
  Incorrect or incomplete configuration in the mapping settings.
  The new account determination was not created or defined in the target system.
  The source data does not have a corresponding entry in the target system.
  
  
  
  Data Inconsistencies: There may be inconsistencies in the data being migrated, such as missing records or incorrect references.
  
  
  Configuration Issues: The configuration settings for the account determination may not be properly set up in the target system.
  
  
  Solution:
  
  
  Check Mapping Configuration: Review the mapping configuration to ensure that all necessary account determinations are correctly defined. Make sure that the new account determination exists in the target system.
  
  
  Create Missing Account Determination: If the new account determination does not exist, create it in the target system. Ensure that it aligns with the business requirements and is properly configured.
  
  
  Validate Source Data: Check the source data for any inconsistencies or missing entries that could lead to this error. Ensure that all required data is present and correctly formatted.
  
  
  Run Conversion Again: After making the necessary adjustments, rerun the conversion process to see if the error persists.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific conversion process you are performing. There may be specific guidelines or prerequisites that need to be followed.
  
  
  Engage SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration and the conversion process.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in checking account determinations, such as OBYC (Automatic Account Determination) or OBA7 (Account Determination for Automatic Postings).
  SAP Notes: Search for SAP Notes related to the CNV_40301023 error for any patches or updates that may address known issues.
  Data Migration Tools: If you are using specific data migration tools (like SAP S/4HANA Migration Cockpit), ensure that you are following the recommended procedures and guidelines for mapping and data conversion.
  
  By addressing the mapping and configuration issues, you should be able to resolve the error and successfully complete the conversion process.