Message type: E = Error
Message class:  CNV20200 - Messages for development class CNV_20200 
Message number: 465
Message text: DOMNAME=&1: Source value not defined: &2
DOMNAME=&V1&:
The following source value is not defined:
&V2&
&V2& is missing in the value table &V3&.
Warning
Check the mapping for correctness.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV20200465 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a source value for a specific domain name is not defined in the system.
Cause: The error message can arise due to several reasons: Missing Domain Values: The source value that is being referenced does not exist in the domain defined in the target system. Incorrect Mapping: There may be an issue with the mapping of values from the source system to the target system, where the source value is not correctly defined or does not match any existing values in the target domain. Data Quality Issues: The data being migrated may contain invalid or unexpected values that do not conform to the expected domain values in the target system.
Solution: To resolve this error, you can take the following steps: Check Domain Definitions: Verify the domain definition in the target
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