How To Fix CNV20305703 - Entry for table &1 already exists in CNVTABLES

CNV20305703 - Overview

• Message type: E = Error

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

• Message number: 703

• Message text: Entry for table &1 already exists in CNVTABLES

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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CNV20305703 - Details

• The SAP error message CNV20305703 indicates that there is an attempt to insert a duplicate entry into a table that is part of the conversion process, specifically in the context of the SAP Data Migration or Conversion process. The message states that an entry for the specified table (&1) already exists in the CNVTABLES.
  
  Cause:
  The error typically occurs due to one of the following reasons:
  
  Duplicate Data: The data being imported or converted contains duplicate entries that violate the unique constraints of the target table.
  Incorrect Mapping: There may be an issue with the mapping of source data to the target structure, leading to attempts to insert the same record multiple times.
  Previous Conversion Attempts: If a previous conversion attempt was not completed successfully, it may have left behind entries in the CNVTABLES, causing conflicts with new entries.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Review the data being imported to