How To Fix B0402 - The code conversion for table &1 has already been carried out

SAP Error Message - Details

• Message type: E = Error

• Message class: B0 - Business Partner General

• Message number: 402

• Message text: The code conversion for table &1 has already been carried out

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message B0402 - The code conversion for table &1 has already been carried out ?

  The SAP error message B0402, which states "The code conversion for table &1 has already been carried out," typically occurs during the process of data conversion or migration, particularly when dealing with character set conversions or when trying to perform operations on a table that has already been processed.
  Cause:
  
  Duplicate Conversion Attempt: The error usually arises when there is an attempt to perform a code conversion on a table that has already been converted. This can happen if the conversion process is executed multiple times inadvertently.
  Incorrect Configuration: There may be a misconfiguration in the system settings or in the conversion program that leads to the system trying to convert the same table again.
  Incomplete Previous Conversion: If a previous conversion was interrupted or did not complete successfully, the system might still think that the conversion is pending.
  
  Solution:
  
  Check Conversion Status: Verify the status of the conversion for the specified table. You can do this by checking the logs or the status indicators in the SAP system to see if the conversion has indeed been completed.
  Avoid Duplicate Execution: Ensure that the conversion process is not being executed multiple times. Review the process flow to prevent re-execution of the conversion for the same table.
  Review Configuration: Check the configuration settings related to code conversion. Ensure that they are set up correctly and that there are no conflicting settings that might cause the system to attempt a duplicate conversion.
  Consult Logs: Look into the application logs (transaction SLG1) for more detailed information about the error and any related messages that might provide additional context.
  Manual Intervention: If necessary, you may need to manually reset the conversion status for the table or perform a cleanup operation to allow the conversion to be executed again.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to check the table structure or SE37 (Function Builder) to analyze the function module responsible for the conversion.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if this is part of a larger migration or upgrade project.
  Documentation: Review SAP documentation related to code page conversion and data migration for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.