Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 391
Message text: &1 excluded from conversion
The system found that the field &V1& does not need to be converted.
Therefore field got excluded from the conversion.
Information
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_20100391, which states that "&1 excluded from conversion," typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools like the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause: This error generally indicates that a specific object or data record (represented by "&1") has been excluded from the conversion process. The reasons for this exclusion can vary, but common causes include: Data Inconsistencies: The data may not meet the required criteria for conversion, such as missing mandatory fields or invalid data formats.
Configuration Issues: Certain settings or configurations in the source or target system may prevent the conversion of specific data objects. Mapping Issues: There may be issues with the mapping of fields between the source and target systems, leading to the exclusion of certain records. Business Rules: Specific business rules defined in the conversion process may dictate that certain records should not be converted.
Solution: To resolve this
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