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

DT339 - Overview

• 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