Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 390
Message text: Target house bank account ID &1
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The SAP error message CNV_20200_CHECK390 with the description "Target house bank account ID &1" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the target house bank account ID specified in the migration process.
Cause: Invalid House Bank Account ID: The specified house bank account ID does not exist in the target system.
Configuration Issues: The house bank may not be properly configured in the target system. Data Mapping Errors: There may be discrepancies in the mapping of house bank accounts between the source and target systems. Missing Master Data: The necessary master data for the house bank account may not have been migrated or created in the target system.
Solution: Verify House Bank Account ID: Check the target system to ensure that the house bank account ID specified in the migration process exists and is correctly configured. Create/Update
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