How To Fix SDME_DDT404 - Too many fields with the same name on the dynpro

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_DDT - DME: Dialog Design Tool Messages

• Message number: 404

• Message text: Too many fields with the same name on the dynpro

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDME_DDT404 - Too many fields with the same name on the dynpro ?

  The SAP error message SDME_DDT404 indicates that there are too many fields with the same name on a dynpro (dynamic program) screen. This typically occurs in the context of SAP GUI screens where multiple fields are defined with identical names, leading to ambiguity in field processing.
  Cause:
  
  
  Duplicate Field Names: The primary cause of this error is the presence of multiple fields on a screen that share the same name. This can happen due to:
  
  Incorrect screen design or configuration.
  Copying and pasting fields without changing their names.
  Merging or modifying screens without ensuring unique field identifiers.
  
  
  
  Screen Modifications: If a screen has been modified (e.g., through screen painter or by adding custom fields), it may inadvertently lead to duplicate field names.
  
  
  Solution:
  
  
  Identify Duplicate Fields: 
  
  Use the Screen Painter (SE80 or SE41) to open the affected screen.
  Check the field definitions to identify any fields that have the same name.
  
  
  
  Rename Fields: 
  
  Change the names of the duplicate fields to ensure that each field on the screen has a unique identifier.
  Ensure that the new names are consistent with naming conventions and do not conflict with other fields.
  
  
  
  Check Program Logic: 
  
  After renaming, review the program logic to ensure that any references to the renamed fields are updated accordingly.
  
  
  
  Test the Changes: 
  
  After making the changes, test the screen to ensure that it functions correctly and that the error no longer appears.
  
  
  
  Transport Changes: If the changes are made in a development environment, ensure that they are transported to the appropriate environments (e.g., quality assurance, production) following your organization's transport procedures.
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator) or SE41 (Menu Painter) to access and modify screen definitions.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or solutions related to this error.
  Documentation: Review SAP documentation on screen programming and field definitions for best practices in avoiding duplicate field names.
  
  By following these steps, you should be able to resolve the SDME_DDT404 error and ensure that your SAP screens function correctly without ambiguity in field names.