Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 237
Message text: Source cash journal (CoCd &1, CJ &2) with missing target value
Source cash journal (company code &V1&, cash journal number &V2&) with
missing target value.
Error
Provide a suitable mapping for cash journal 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_CHECK237 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 a missing target value for a source cash journal in the specified company code (CoCd) and cash journal (CJ).
Cause: The error is generally caused by one of the following issues: Missing Target Configuration: The target cash journal configuration may not exist in the target system for the specified source cash journal. Data Mapping Issues: There may be a mismatch in the mapping of cash journal entries between the source and target systems. Incomplete Data: The source data may be incomplete or incorrectly formatted, leading to missing values that are required for the target system. Customizations: If there are custom fields or configurations in the source system that do not have corresponding fields in the target system, this can lead to missing values.
Solution: To resolve the error,
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