How To Fix PO638 - The conversion is program-driven

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 638

• Message text: The conversion is program-driven

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PO638 - The conversion is program-driven ?

  The SAP error message PO638, which states "The conversion is program-driven," typically occurs in the context of data conversion or data transfer processes within SAP systems. This error can arise when there is an issue with the data being processed, particularly when the system is unable to convert data types or formats as expected.
  Cause:
  
  Data Type Mismatch: The error may occur if there is a mismatch between the expected data type and the actual data being processed. For example, if a numeric field is expected but a character string is provided.
  Incorrect Configuration: Configuration settings related to data conversion or transfer may be incorrect, leading to issues during the conversion process.
  Program Logic Errors: There may be issues in the custom program or standard program logic that handles the data conversion, causing it to fail.
  Missing Data: Required data fields may be missing or not populated correctly, leading to conversion failures.
  
  Solution:
  
  Check Data Types: Review the data being processed to ensure that it matches the expected data types. Make sure that numeric fields contain only numbers and that character fields contain valid strings.
  Review Configuration: Check the configuration settings related to the data conversion process. Ensure that all settings are correct and align with the expected data formats.
  Debug the Program: If the error is occurring in a custom program, use the SAP debugger to step through the code and identify where the conversion is failing. Look for any logic errors or incorrect assumptions in the code.
  Data Validation: Implement data validation checks before the conversion process to ensure that all required fields are populated and contain valid data.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or program to see if there are known issues or additional configuration steps required.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message PO638. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Depending on the context in which the error occurs, you may want to look into specific transaction codes related to data conversion, such as LSMW (Legacy System Migration Workbench) or others that are relevant to your scenario.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and the solutions they implemented.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.