How To Fix SPRX338 - message part refers a type, not an element

SAP Error Message - Details

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 338

• Message text: message part refers a type, not an element

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPRX338 - message part refers a type, not an element ?

  The SAP error message SPRX338, which states "message part refers to a type, not an element," typically occurs in the context of SAP PI/PO (Process Integration/Process Orchestration) when working with message types and structures in mappings or interfaces.
  Cause:
  This error usually arises when there is a mismatch in the definition of the message structure. Specifically, it indicates that a part of the message is defined as a type (like a complex type or a simple type) rather than as an element (which is an instance of a type). This can happen due to:
  
  Incorrect Mapping: The mapping might be trying to reference a type instead of an element.
  WSDL or XSD Issues: If you are using WSDL or XSD files, there might be a misconfiguration where a type is referenced instead of an element.
  Message Structure Definition: The message structure defined in the Integration Repository might not be correctly set up, leading to this error.
  
  Solution:
  To resolve the SPRX338 error, you can follow these steps:
  
  
  Check the Mapping: Review the mapping configuration to ensure that you are referencing elements correctly. Make sure that you are not trying to use a type where an element is expected.
  
  
  Review WSDL/XSD: If you are using WSDL or XSD files, check the definitions to ensure that you are correctly defining elements. Ensure that the message parts are defined as elements in the schema.
  
  
  Adjust Message Types: If you have custom message types, verify that they are defined correctly in the Integration Repository. Ensure that the message parts are defined as elements and not as types.
  
  
  Regenerate Artifacts: If you have made changes to the message types or mappings, regenerate the necessary artifacts in the Integration Repository and redeploy them.
  
  
  Testing: After making the necessary adjustments, test the integration scenario again to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on message types, elements, and mappings in SAP PI/PO.
  Community Forums: Check SAP Community forums or other online resources for similar issues and solutions shared by other users.
  Debugging Tools: Utilize SAP's debugging tools to trace the message flow and identify where the error is occurring in the mapping or message processing.
  
  By following these steps, you should be able to identify and resolve the cause of the SPRX338 error in your SAP environment.