How To Fix CNV20200491 - &2 record(s) was/were deleted from table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 491

• Message text: &2 record(s) was/were deleted from table &1

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200491 - &2 record(s) was/were deleted from table &1 ?

  The SAP error message CNV20200491 indicates that during a data migration or conversion process, certain records were deleted from a specified table. This message is part of the SAP Data Migration Cockpit or related tools used for data transfer and transformation.
  Cause:
  
  Data Validation Issues: The records may not meet the required validation criteria set for the migration process. This could be due to missing mandatory fields, incorrect data formats, or data integrity issues.
  Mapping Errors: If the mapping of source data to target data is incorrect, it may lead to the deletion of records that cannot be properly transformed or inserted into the target table.
  Business Rules: Certain business rules defined in the migration process may dictate that specific records should be excluded or deleted based on their content or status.
  Configuration Issues: Incorrect configuration settings in the migration tool or process can lead to unintended deletions.
  
  Solution:
  
  Review Logs: Check the detailed logs generated during the migration process to identify which records were deleted and why. This can provide insights into the specific validation or mapping issues.
  Data Quality Checks: Perform data quality checks on the source data to ensure that it meets the required standards. This includes checking for missing fields, data types, and integrity constraints.
  Adjust Mapping: If mapping errors are identified, adjust the mapping configuration to ensure that all necessary fields are correctly aligned between the source and target systems.
  Modify Business Rules: If business rules are too restrictive, consider modifying them to allow for the inclusion of more records, if appropriate.
  Test Migration: Conduct a test migration with a smaller dataset to validate the changes made and ensure that records are not incorrectly deleted.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool being used for additional guidance and best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit or the specific tool you are using for detailed instructions and best practices.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to prevent the deletion of records during the migration process.