How To Fix CNV_40300058 - Asset &1 &2 exists more than once in mapping for CoCode &3

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 058

• Message text: Asset &1 &2 exists more than once in mapping for CoCode &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_40300058 - Asset &1 &2 exists more than once in mapping for CoCode &3 ?

  The SAP error message CNV_40300058 indicates that there is a duplicate entry for an asset in the mapping table for a specific company code (CoCode). This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the migration of asset data from legacy systems to SAP.
  Cause:
  The error occurs when:
  
  An asset is mapped more than once in the mapping table for the same company code.
  There may be inconsistencies in the data being imported, such as duplicate records in the source data.
  The mapping configuration may have been incorrectly set up, leading to multiple entries for the same asset.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Mapping Table:
  
  Access the mapping table where the assets are defined.
  Look for duplicate entries for the asset specified in the error message (Asset &1 &2) for the company code (CoCode &3).
  
  
  
  Remove Duplicates:
  
  If duplicates are found, determine which entry is correct or if both are needed.
  Remove or consolidate the duplicate entries to ensure that each asset is mapped only once for the specified company code.
  
  
  
  Validate Source Data:
  
  Review the source data being migrated to ensure there are no duplicate asset records.
  Clean up the source data if necessary to prevent duplicates from being imported.
  
  
  
  Re-run the Migration:
  
  After making the necessary corrections, re-run the migration process to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or best practices.
  
  
  
  Seek Support:
  
  If the issue continues after following the above steps, consider reaching out to SAP support or consulting with an SAP expert who can provide further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the migration tool being used, you may need to use specific transaction codes to access the mapping tables or migration settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP to avoid similar issues in the future.
  
  By addressing the duplicate entries in the mapping table and ensuring the integrity of the source data, you should be able to resolve the CNV_40300058 error effectively.