How To Fix SPRX404 - SPROXY/DDIC: Structure &1 Field &2 Different datatypes &3/&4

SAP Error Message - Details

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 404

• Message text: SPROXY/DDIC: Structure &1 Field &2 Different datatypes &3/&4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPRX404 - SPROXY/DDIC: Structure &1 Field &2 Different datatypes &3/&4 ?

  The SAP error message SPRX404 indicates that there is a mismatch in the data types of fields in a structure when working with SAP Proxy (SPROXY) and Data Dictionary (DDIC). This typically occurs when you are trying to map or use a structure in a way that the fields do not align correctly in terms of their data types.
  Cause:
  The error is caused by a discrepancy between the data types of fields in the source and target structures. This can happen in various scenarios, such as:
  
  When you are trying to map fields from one structure to another in a proxy interface.
  When there are changes in the data dictionary that have not been reflected in the proxy or vice versa.
  When there are custom developments or modifications that lead to inconsistencies in data types.
  
  Solution:
  To resolve the SPRX404 error, you can follow these steps:
  
  
  Check Data Types: 
  
  Go to the Data Dictionary (transaction SE11) and check the definitions of the structures involved. Ensure that the data types of the fields in both structures match exactly.
  
  
  
  Adjust Mapping:
  
  If you are using a mapping tool (like SAP PI/PO), ensure that the mapping between the source and target structures is correctly defined and that the data types align.
  
  
  
  Regenerate Proxy:
  
  If there have been changes in the data dictionary, you may need to regenerate the proxy. You can do this by going to transaction SPROXY, selecting the relevant proxy, and regenerating it.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments that involve these structures, review the code to ensure that it is not causing the mismatch.
  
  
  
  Transport Requests:
  
  If the issue is occurring in a transport environment, ensure that all relevant transport requests have been moved to the target system and that the data dictionary is consistent across systems.
  
  
  
  Consult Documentation:
  
  Review any relevant SAP notes or documentation that may provide additional insights or solutions specific to your version of SAP.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE11 (Data Dictionary)
  SPROXY (Proxy Object)
  SE80 (Object Navigator)
  
  
  
  SAP Notes: 
  
  Check for any SAP Notes related to SPRX404 or proxy generation issues, as they may provide specific fixes or workarounds.
  
  
  
  Debugging: 
  
  If the issue persists, consider debugging the proxy call to identify where the mismatch is occurring.
  
  
  
  By following these steps, you should be able to identify and resolve the cause of the SPRX404 error in your SAP environment.