Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 247
Message text: Source CJ business transact. (CoCd &1, Tran.numb. &2) with missing target
Source cash journal business transaction (company code &V1&, transaction
number &V2&) with missing target value.
Error
Provide a suitable mapping for cash journal business transaction
numbers.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_20200_CHECK247 typically occurs during a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a missing target entry for a source business transaction in the system. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: Missing Target Mapping: The error suggests that there is a source business transaction (identified by Company Code &1 and Transaction Number &2) that does not have a corresponding target entry in the migration mapping. This can happen if the target system does not have the necessary configuration or if the mapping was not set up correctly. Data Inconsistencies: There may be inconsistencies in the data being migrated, such as missing or incorrect entries in the source system that do not match the expected format or values in the target system.
Configuration Issues: The target system may not be properly
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