How To Fix DT339 - Column &-&: data type in proxy object & is not equal to &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 339

• Message text: Column &-&: data type in proxy object & is not equal to &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT339 - Column &-&: data type in proxy object & is not equal to & ?

  The SAP error message DT339 indicates a data type mismatch between the proxy object and the corresponding data type in the underlying data structure. This error typically occurs in scenarios involving SAP PI/PO (Process Integration/Process Orchestration) or when working with web services and proxies in SAP.
  Cause:
  The error message DT339 is triggered when:
  
  The data type defined in the proxy object does not match the data type defined in the corresponding data structure (e.g., IDoc, BAPI, or other data types).
  There may be a mismatch in the length or format of the data types (e.g., CHAR vs. NUMC).
  Changes were made to the data structure after the proxy was generated, leading to inconsistencies.
  The proxy object was not regenerated after changes were made to the underlying data structure.
  
  Solution:
  To resolve the DT339 error, you can follow these steps:
  
  
  Check Data Types: 
  
  Verify the data types in the proxy object and the corresponding data structure. Ensure that they match in terms of type and length.
  
  
  
  Regenerate Proxy:
  
  If there have been changes to the underlying data structure, regenerate the proxy object. This can usually be done in the SAP system by navigating to the relevant transaction (e.g., SPROXY) and regenerating the proxy.
  
  
  
  Adjust Data Types:
  
  If the data types are intentionally different (for example, if you need to change the data type for business reasons), you may need to adjust the data type in the proxy or the underlying structure to ensure they match.
  
  
  
  Check Mapping:
  
  If you are using a mapping tool (like SAP PI/PO), check the mapping configuration to ensure that the data types are correctly mapped.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the integration scenario again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  Use transaction code SPROXY to manage and regenerate proxy objects.
  Use transaction code SE80 to view and edit the relevant data structures and proxy definitions.
  
  
  
  Documentation: 
  
  Refer to SAP documentation for more details on data types and proxy generation.
  
  
  
  SAP Notes: 
  
  Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  
  By following these steps, you should be able to identify and resolve the cause of the DT339 error in your SAP environment.