Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 092
Message text: Source account &1 does not exist
When the G/L accounts to be merged were checked, it was found that the
source account &V1& (mapping &V1& -> &V2&) does not exist.
The mapping is unnecessary. There will be no merge for 'old account'
&V1& to 'new account' &V2&.
Check the source account entry for spelling errors.
&NOTE&
The mapping is not checked automatically.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20100092: Source account &1 does not exist typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is trying to reference a source account that is not found in the system.
Cause: Missing Account: The specified source account (denoted by &1) does not exist in the target system or the source system from which data is being migrated. Incorrect Mapping: There may be an issue with the mapping of accounts between the source and target systems, leading to references to non-existent accounts. Data Preparation Issues: The data being imported may not have been properly prepared, leading to references to accounts that were not created or migrated.
Configuration Issues: The configuration settings in the migration tool may not be set up correctly, causing the system to look for accounts that are not available.
Solution: Verify Account Existence:
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