Message type: E = Error
Message class:  CNV10400 - Messages for package 10400 (characteristics) 
Message number: 039
Message text: Characteristic &1 will not be converted
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The SAP error message CNV10400039, which states "Characteristic &1 will not be converted," typically occurs during data migration processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services tools. This error indicates that a specific characteristic (denoted by &1) cannot be converted from the source system to the target system. Causes: Incompatible Data Types: The characteristic in question may have a data type in the source system that is not compatible with the target system. Missing Mapping: There may be no defined mapping for the characteristic in the transformation rules. Data Quality Issues: The data for the characteristic may contain invalid or unexpected values that cannot be processed.
Configuration Issues: The configuration settings for the migration process may not be set up correctly, leading to the inability to convert the characteristic. Custom Characteristics: If the characteristic is a custom field that does not exist in the target system, it will not be converted. Solutions: Check
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