How To Fix CNV20305705 - Entry for &1-&2 with routine &3 was inserted in CNVFIELDS

CNV20305705 - Overview

• Message type: E = Error

• Message class: CNV20305 - Messages for conversion packages in CO

• Message number: 705

• Message text: Entry for &1-&2 with routine &3 was inserted in CNVFIELDS

Self-Explanatory Message

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CNV20305705 - Details

• The SAP error message CNV20305705 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the data mapping or transformation rules defined in the migration project.
  
  Cause:
  The error message CNV20305705 suggests that there is an entry for a specific field (denoted by &1 and &2) that has been inserted into the CNVFIELDS table with a specific routine (denoted by &3). This usually happens when:
  
  Data Mapping Issues: The source data does not match the expected format or structure defined in the target system.
  Transformation Logic: The routine specified may not be correctly defined or may not handle the data as expected.
  Missing Configuration: There may be missing configuration settings or parameters that are required for the migration process.
  Data Quality Issues: The source data may contain invalid or unexpected values that cannot be processed by