Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 303
Message text: No missing accounts or primary cost elements in chart of accounts
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The SAP error message CNV_20100303 indicates that there are no missing accounts or primary cost elements in the chart of accounts during a migration or conversion process. This message typically arises in the context of data migration, particularly when using SAP's Conversion Tools or during the implementation of SAP S/4HANA.
Cause: Data Integrity: The error suggests that the system has checked the chart of accounts and found that all necessary accounts and primary cost elements are present. This is generally a positive indication, meaning that there are no gaps in the required financial data. Migration Process: This message may appear during the execution of a migration program that is designed to check for the existence of accounts and cost elements before proceeding with further steps in the migration process.
Solution: Review Migration Steps: If you expected to see missing accounts or cost elements, review the previous steps in your migration process to ensure that all
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