How To Fix PO636 - No converter is necessary

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 636

• Message text: No converter is necessary

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PO636 - No converter is necessary ?

  The SAP error message PO636 ("No converter is necessary") typically occurs in the context of SAP's handling of data types, particularly when dealing with conversion routines or data mapping in processes such as IDoc processing, data transfer, or when using certain function modules.
  Cause:
  The error message PO636 indicates that the system has determined that no conversion is needed for the data being processed. This can happen in several scenarios, such as:
  
  Data Type Mismatch: The data being processed is already in the expected format, and the system recognizes that no conversion is required.
  Configuration Issues: There may be a misconfiguration in the data mapping or conversion settings in the relevant function module or IDoc type.
  Redundant Conversion Logic: The logic implemented in the program or function module may include unnecessary conversion steps that the system identifies as redundant.
  
  Solution:
  To resolve the PO636 error, consider the following steps:
  
  
  Review Data Types: Check the data types of the fields involved in the process. Ensure that they match the expected types and formats. If they are already compatible, the conversion may be unnecessary.
  
  
  Check Configuration: If you are working with IDocs or data transfer processes, review the configuration settings for the relevant message types, segments, and field mappings. Ensure that they are set up correctly.
  
  
  Examine Code Logic: If you are developing or maintaining custom ABAP code, review the logic for any unnecessary conversion routines. Remove or adjust any redundant conversion calls that may be causing the error.
  
  
  Debugging: Use the SAP debugger to step through the code where the error occurs. This can help identify the exact point of failure and provide insights into why the system believes no conversion is necessary.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for additional context on the specific function module or process you are working with. There may be known issues or additional configuration steps required.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on related issues.
  
  
  Related Information:
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on data types, IDocs, and conversion routines.
  ABAP Development: If you are an ABAP developer, familiarize yourself with data conversion functions and best practices to avoid similar issues in the future.
  
  By following these steps, you should be able to diagnose and resolve the PO636 error effectively.