How To Fix CNV20200857 - &1 and &2 blank! Conversion rule for &3=&4 not applicable

CNV20200857 - Overview

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 857

• Message text: &1 and &2 blank! Conversion rule for &3=&4 not applicable

Self-Explanatory Message

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CNV20200857 - Details

• The SAP error message CNV20200857 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 an issue with the conversion rules defined for the data being processed. Specifically, it suggests that the conversion rule for the specified fields (&3 and &4) is not applicable, and the values for these fields are blank.
  
  Cause:
  
  Missing Conversion Rules: The conversion rules for the specified fields may not be defined in the migration settings.
  Blank Values: The source data may contain blank values for the fields that are expected to be populated during the conversion.
  Incompatible Data Types: The data types of the source fields may not match the expected data types in the target system.
  
  Configuration Issues: There may be configuration issues in the migration cockpit or the data mapping settings.
  
  
  Solution:
  
  Check Conversion Rules: Review the conversion rules defined for the migration. Ensure