How To Fix /PF1/MSG_CONV_XML159 - More than one subelement of field '&' is used for Identification of '&'

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_CONV_XML -

• Message number: 159

• Message text: More than one subelement of field '&' is used for Identification of '&'

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_XML159 - More than one subelement of field '&' is used for Identification of '&' ?

  The SAP error message /PF1/MSG_CONV_XML159 indicates that there is an issue with the XML structure being processed, specifically related to the identification of elements within the XML data. The message states that more than one subelement of a field is being used for identification, which can lead to ambiguity in the data processing.
  Cause:
  This error typically arises in scenarios where:
  
  Duplicate Identifiers: The XML data contains multiple subelements that are intended to serve as identifiers for a single entity, leading to confusion about which identifier should be used.
  Incorrect XML Structure: The XML structure may not conform to the expected schema, resulting in multiple elements being interpreted as identifiers.
  Mapping Issues: There may be issues in the mapping configuration between the XML data and the SAP data model, causing the system to misinterpret the identifiers.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review XML Structure: Check the XML file for the specific field mentioned in the error message. Ensure that there is only one subelement being used for identification. If there are multiple subelements, determine which one should be used and remove or modify the others.
  
  
  Validate XML Against Schema: If you have an XML schema (XSD) that defines the expected structure, validate your XML against this schema to identify any structural issues.
  
  
  Adjust Mapping Configuration: If you are using a mapping tool or middleware, review the mapping configuration to ensure that it correctly maps the XML elements to the appropriate fields in SAP.
  
  
  Consult Documentation: Refer to SAP documentation or the specific module documentation related to the XML processing to understand the expected structure and requirements for identifiers.
  
  
  Test with Sample Data: Create a simplified version of the XML with only the necessary elements and test it to see if the error persists. This can help isolate the issue.
  
  
  Contact SAP Support: If the issue persists after making adjustments, consider reaching out to SAP support for further assistance, providing them with the relevant XML data and error details.
  
  
  Related Information:
  
  XML Schema Definition (XSD): Understanding the expected structure of the XML can help in identifying issues.
  SAP PI/PO: If you are using SAP Process Integration (PI) or Process Orchestration (PO), check the integration flow and mappings.
  Debugging Tools: Utilize SAP debugging tools to trace the processing of the XML and identify where the error occurs.
  
  By following these steps, you should be able to identify and resolve the cause of the error message /PF1/MSG_CONV_XML159.