How To Fix CNV_20100109 - N:1 merge of G/L accounts and cost elements

CNV_20100109 - Overview

• Message type: E = Error

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

• Message number: 109

• Message text: N:1 merge of G/L accounts and cost elements

Self-Explanatory Message

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CNV_20100109 - Details

• The SAP error message CNV_20100109 typically occurs during the data migration process, particularly when merging General Ledger (G/L) accounts and cost elements in the context of SAP S/4HANA migrations or data conversions. This error indicates that there is a conflict or issue with the merging process, specifically that there are multiple entries (N) being mapped to a single target entry (1), which is not allowed.
  
  Cause:
  
  Duplicate Entries: The error often arises when there are duplicate G/L accounts or cost elements in the source data that are being mapped to a single target account or element.
  Inconsistent Mapping: The mapping configuration may not be set up correctly, leading to multiple source accounts being directed to one target account.
  Data Quality Issues: Poor data quality in the source system can lead to inconsistencies that trigger this error during the merge process.
  
  
  Solution:
  
  Review Mapping Configuration: Check the mapping configuration in the migration tool or the relevant transaction.