Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 346
Message text: Elementary relationship &1: Source field or object was not maintained
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The SAP error message CNV_10020346 indicates that there is an issue with the configuration of an elementary relationship in a data conversion or migration process. Specifically, it suggests that a source field or object that is expected to be maintained is missing or not properly configured.
Cause: Missing Configuration: The source field or object that is referenced in the elementary relationship is not maintained in the system. This could be due to a missing entry in the configuration tables or a failure to set up the necessary mappings. Incorrect Mapping: The mapping between the source and target fields may not be correctly defined, leading to the system being unable to find the required source field. Data Migration Issues: If this error occurs during a data migration process, it may indicate that the data extraction or transformation process did not include the necessary fields.
Solution: Check Configuration: Review the configuration settings for the elementary relationship in the
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