Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 667
Message text: Value of &1 changed for G/L account &2
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
For G/L account  &V2& value of field  &V1& changed from &V3&  to &V4&
after the mapping phase. This change might have been done because of the
errors reported by the checks performed in the previous activities . If
not so then it might have an impact on the conversion.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20100667, which states "Value of &1 changed for G/L account &2," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a value associated with a General Ledger (G/L) account has been altered or is inconsistent with the expected data during the migration process.
Cause: Data Inconsistency: The value being migrated for the specified G/L account does not match the expected value in the target system. This could be due to changes in the chart of accounts, account mapping issues, or discrepancies in the source data. Configuration Changes: If there have been changes in the configuration of the G/L accounts (e.g., account types, currency settings), this could lead to discrepancies during migration. Data Transformation Rules: The transformation rules defined in the migration process may have altered the values unexpectedly.
Solution: Review Migration Data: Check the source data for the
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