How To Fix /PF1/MSG_CONV_XML321 - Error while calling function ' &1 '

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_CONV_XML -

• Message number: 321

• Message text: Error while calling function ' &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 /PF1/MSG_CONV_XML321 - Error while calling function ' &1 ' ?

  The SAP error message /PF1/MSG_CONV_XML321 typically indicates an issue related to XML conversion or processing within the SAP system. This error can occur when there is a problem with the XML data being processed, such as incorrect formatting, invalid characters, or issues with the function module being called.
  Possible Causes:
  
  Invalid XML Structure: The XML data being processed may not conform to the expected structure or schema.
  Encoding Issues: There may be character encoding problems, such as the presence of invalid characters that cannot be processed.
  Function Module Issues: The function module being called may not be implemented correctly or may have bugs.
  Data Type Mismatch: The data types expected by the function module may not match the data being passed.
  Network Issues: If the XML is being fetched from an external source, network issues could lead to incomplete or corrupted data.
  
  Solutions:
  
  Validate XML: Check the XML data for proper structure and formatting. Use XML validation tools to ensure it adheres to the expected schema.
  Check Encoding: Ensure that the XML data is encoded correctly (e.g., UTF-8) and does not contain invalid characters.
  Review Function Module: Examine the function module being called for any known issues or bugs. Ensure that it is implemented correctly and is compatible with the data being passed.
  Debugging: Use the SAP debugger to trace the execution of the function module and identify where the error occurs. Look for any specific data that may be causing the issue.
  Error Handling: Implement error handling in your code to gracefully manage situations where the XML processing fails.
  Consult Documentation: Refer to SAP documentation or notes related to the specific function module and error message for additional guidance.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant notes or patches that address this specific error.
  Transaction Codes: Use transaction codes like SE37 (Function Builder) to analyze the function module and SE80 (Object Navigator) to explore related objects.
  Community Forums: Engage with SAP community forums or user groups to see if others have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.