How To Fix DT335 - Check against technical layout of referenced proxy object &:

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 335

• Message text: Check against technical layout of referenced proxy object &:

Self-Explanatory Message

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• What is the cause and solution for SAP error message DT335 - Check against technical layout of referenced proxy object &: ?

  The SAP error message DT335, which states "Check against technical layout of referenced proxy object &:", typically occurs in the context of SAP PI/PO (Process Integration/Process Orchestration) or when dealing with proxy objects in SAP systems. This error indicates that there is a mismatch or inconsistency between the expected technical layout of a proxy object and the actual layout being referenced.
  Cause:
  
  Mismatch in Data Types: The data types defined in the proxy object do not match the data types expected by the receiving system or the mapping.
  Changes in the Proxy Object: If the proxy object has been modified (e.g., fields added, removed, or changed) after it was already used in a mapping or interface, this can lead to inconsistencies.
  Versioning Issues: If there are multiple versions of the proxy object, the system might be referencing an outdated version.
  Transport Issues: If the proxy object was transported from one system to another, there might be inconsistencies due to missing dependencies or incorrect transport settings.
  
  Solution:
  
  Check Proxy Object Definition: Verify the technical layout of the referenced proxy object. Ensure that the data types and structures match what is expected in the mapping or interface.
  Re-generate Proxy: If changes were made to the proxy object, regenerate the proxy classes and ensure that the latest version is being used.
  Update Mappings: If the proxy object has changed, update any mappings that reference it to ensure they align with the new structure.
  Check for Transport Issues: If the proxy object was transported, ensure that all dependencies were included in the transport and that the target system is in sync with the source system.
  Test in Development: Before moving changes to production, test the proxy object and its mappings in a development or quality assurance environment to ensure everything works as expected.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Use transaction codes like SPROXY to manage and check proxy objects, and SXMB_MONI to monitor message processing in PI/PO.
  Documentation: Review the documentation for the specific version of SAP you are using, as there may be version-specific considerations or features that affect proxy objects.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP integration scenarios.