Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 403
Message text: Maintenance language for new chart of accounts &1 is set to &2
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The SAP error message CNV_20100403 indicates an issue related to the maintenance language for a new chart of accounts. This error typically arises during the process of migrating or converting data in SAP, particularly when setting up a new chart of accounts.
Cause: The error message suggests that the maintenance language for the new chart of accounts (COA) is not set correctly. Specifically, it indicates that the maintenance language is set to a value that is not compatible with the expected configuration. This can happen due to: Incorrect Language Settings: The language settings in the system may not match the requirements for the new chart of accounts.
Configuration Issues: There may be issues in the configuration of the chart of accounts or the migration process that lead to this error. Missing Language Support: The required language may not be installed or activated in the SAP system.
Solution: To resolve the error, you can follow these steps: Check Language
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