How To Fix CNV20305704 - Entry for table &1 was inserted in CNVTABLES

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 704

• Message text: Entry for table &1 was inserted in CNVTABLES

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20305704 - Entry for table &1 was inserted in CNVTABLES ?

  The SAP error message CNV20305704 indicates that an entry for a specific table (denoted by &1) was inserted into the CNVTABLES during a data migration or conversion process. This message is typically associated with the SAP S/4HANA migration or data transfer processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  
  
  Data Migration Process: The error usually occurs when the data migration process encounters an issue with the data being transferred to the target system. This could be due to:
  
  Missing or incorrect data in the source system.
  Data format issues that do not comply with the target system's requirements.
  Constraints or dependencies in the target system that prevent the data from being inserted correctly.
  
  
  
  Configuration Issues: There may be configuration issues in the migration settings or mapping that lead to the insertion of entries into the CNVTABLES.
  
  
  Custom Logic: If there are custom enhancements or logic in the migration process, they may inadvertently cause entries to be inserted into CNVTABLES.
  
  
  Solution:
  
  
  Review the Migration Logs: Check the detailed logs generated during the migration process to identify the specific issues that led to the insertion of the entry. Look for any warnings or errors that provide more context.
  
  
  Data Validation: Ensure that the data in the source system is complete and correctly formatted. Validate that all required fields are populated and that the data adheres to the expected formats.
  
  
  Mapping Configuration: Review the mapping configuration in the migration tool to ensure that it is set up correctly. Make sure that the source fields are correctly mapped to the target fields.
  
  
  Check Constraints: Investigate any constraints or dependencies in the target system that may be causing the issue. This could include foreign key constraints, unique constraints, or other business rules.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or troubleshooting steps provided for handling this error.
  
  
  SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. Provide them with the error message, logs, and any relevant details about your migration process.
  
  
  Related Information:
  
  CNVTABLES: This is a table used during data migration processes in SAP. It typically stores temporary data or mapping information that is used during the conversion.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with its features and capabilities, as it provides tools for data mapping, validation, and error handling.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.