How To Fix /PM0/ABH_MESSAGE075 - Serialized data is incorrect: &1 is not parent of &2 in WSDL

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABH_MESSAGE -

• Message number: 075

• Message text: Serialized data is incorrect: &1 is not parent of &2 in WSDL

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABH_MESSAGE075 - Serialized data is incorrect: &1 is not parent of &2 in WSDL ?

  The SAP error message /PM0/ABH_MESSAGE075 Serialized data is incorrect: &1 is not parent of &2 in WSDL typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when dealing with web services and WSDL (Web Services Description Language) files. This error indicates that there is a mismatch in the serialized data structure, specifically that the expected parent-child relationship between elements in the WSDL is not being adhered to.
  Cause:
  
  Incorrect WSDL Configuration: The WSDL file may not be correctly defined, leading to a situation where the expected parent-child relationships between elements are not properly established.
  Data Serialization Issues: The data being sent or received may not match the expected structure defined in the WSDL, causing the serialization process to fail.
  Version Mismatch: There may be a version mismatch between the WSDL being used and the actual data structure being processed.
  Changes in Data Model: If there have been recent changes to the data model or the WSDL, it may lead to inconsistencies in the expected data structure.
  
  Solution:
  
  Review WSDL Definition: Check the WSDL file to ensure that the parent-child relationships are correctly defined. Make sure that the elements are structured as expected.
  Validate Data Structure: Ensure that the data being sent or received adheres to the structure defined in the WSDL. You may need to adjust the data being serialized to match the expected format.
  Regenerate WSDL: If there have been changes to the underlying data model, regenerate the WSDL to reflect those changes accurately.
  Check for Updates: Ensure that you are using the correct and most up-to-date version of the WSDL. If there are multiple versions, confirm that you are using the one that matches the data structure.
  Debugging: Use debugging tools to trace the data flow and identify where the mismatch occurs. This can help pinpoint the exact location of the error.
  Consult Documentation: Refer to SAP documentation or community forums for any known issues or updates related to the specific version of SAP you are using.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or patches related to this error message.
  SAP Community: Engage with the SAP Community for insights from other users who may have encountered similar issues.
  Testing Tools: Utilize tools like SOAP UI or Postman to test the web service independently of the SAP system to ensure that the WSDL and data are functioning correctly.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message.