Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 476
Message text: Chart of accounts mapping &1 -> &2 : Scenario G
Chart of accounts mapping &V1& -> &V2&:
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
INCLUDE CNV_20100_TX_SCENARIO_G OBJECT DOKU ID TXInformation.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20100476 typically relates to issues encountered during the mapping of chart of accounts in a data migration or conversion scenario, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. The message indicates that there is a problem with the mapping of accounts from one chart of accounts to another, specifically in the context of a scenario labeled "G."
Cause: Mapping Issues: The error usually arises when there is a mismatch or an incomplete mapping between the source and target chart of accounts. This could be due to: Missing entries in the mapping table. Incorrectly defined mapping rules. Incompatible account types or structures between the source and target charts of accounts. Configuration Errors: There may be configuration issues in the system that prevent the proper execution of the mapping process. Data Integrity Issues: The source data may have inconsistencies or errors that prevent successful mapping.
Solution: Check Mapping Configuration: Review the mapping configuration for the
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