How To Fix DT337 - Technical layout of proxy object & and & do not match

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 337

• Message text: Technical layout of proxy object & and & do not match

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT337 - Technical layout of proxy object & and & do not match ?

  The SAP error message DT337, which states "Technical layout of proxy object & and & do not match," typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there is a mismatch between the data structure of the proxy object and the expected structure in the target system.
  Cause:
  
  
  Mismatch in Data Structures: The most common cause of this error is that the technical layout (data structure) of the proxy object in the source system does not match the expected layout in the target system. This can happen if:
  
  The data types or fields in the proxy object have been changed after the proxy was generated.
  The target system has been updated or modified, leading to changes in the expected data structure.
  The proxy was generated from an outdated WSDL or XSD file.
  
  
  
  Versioning Issues: If there are different versions of the service or if the service has been updated without regenerating the proxy, this can lead to discrepancies.
  
  
  Configuration Issues: Incorrect configuration in the Integration Directory or in the service interfaces can also lead to this error.
  
  
  Solution:
  
  
  Regenerate the Proxy: 
  
  If the proxy object has been modified, regenerate the proxy in the source system to ensure it matches the current structure of the target system.
  Make sure to use the latest WSDL or XSD file when regenerating the proxy.
  
  
  
  Check Data Structures: 
  
  Compare the technical layout of the proxy object with the expected layout in the target system. Ensure that all fields, data types, and structures match.
  If there are discrepancies, update the proxy or the target system accordingly.
  
  
  
  Update Service Interfaces: 
  
  If the service interface has changed, ensure that the corresponding service interfaces in the Integration Directory are updated to reflect these changes.
  
  
  
  Check Configuration: 
  
  Review the configuration settings in the Integration Directory to ensure that they are correctly set up for the service being called.
  
  
  
  Testing: 
  
  After making the necessary changes, perform tests to ensure that the proxy can successfully communicate with the target system without errors.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to error DT337 for any specific patches or updates that may address this issue.
  Documentation: Review the documentation for SAP PI/PO for best practices on managing proxy objects and service interfaces.
  Debugging: Use transaction codes like SXMB_MONI or SXI_MONI to monitor messages and identify where the error occurs in the message flow.
  
  By following these steps, you should be able to resolve the DT337 error and ensure that your proxy objects are correctly aligned with the expected data structures in the target system.