How To Fix MO446 - Dynpros for single field display were generated with errors

SAP Error Message - Details

• Message type: E = Error

• Message class: MO - Modeling and Prototyping

• Message number: 446

• Message text: Dynpros for single field display were generated with errors

What causes this issue?

An error occurred when generating screens for single field display, but
the screens were generated.
The table probably contains Dictionary types such as floating point
fields which cannot be displayed on screens.

System Response

When creating/changing table entries, you should be aware that the
non-displayed fields are either initialized or contain the old value on
update.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MO446 - Dynpros for single field display were generated with errors ?

  The SAP error message MO446, which states "Dynpros for single field display were generated with errors," typically occurs in the context of SAP's screen (dynpro) programming. This error indicates that there was an issue during the generation of the screen elements for a particular field, which can prevent the screen from displaying correctly.
  Causes:
  
  Field Definition Issues: The field definitions in the data dictionary (DDIC) may have inconsistencies or errors.
  Screen Layout Errors: There may be issues in the screen layout or the way the fields are defined in the screen painter.
  Missing or Incorrect Field Attributes: If the field attributes (like data type, length, etc.) are not correctly defined or are missing, it can lead to this error.
  Transport Issues: If the screen or field definitions were transported from another system and there were issues during the transport, it could lead to errors.
  Authorization Issues: Sometimes, authorization problems can prevent the proper generation of dynpros.
  
  Solutions:
  
  Check Field Definitions: Go to the Data Dictionary (transaction SE11) and verify the field definitions for any inconsistencies or errors.
  Review Screen Layout: Use the Screen Painter (transaction SE80 or SE41) to check the screen layout and ensure that all fields are correctly defined and placed.
  Re-generate the Screen: In the screen painter, you can try to re-generate the screen to see if that resolves the issue.
  Check Transport Logs: If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate what went wrong.
  Authorization Check: Ensure that the user has the necessary authorizations to access and modify the screen elements.
  Debugging: If the issue persists, you may need to debug the program to identify where the error is occurring.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), SE41 (Menu Painter), SE37 (Function Module).
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for MO446 in the SAP Support Portal.
  Documentation: Review SAP documentation on screen programming and dynpro development for best practices and troubleshooting tips.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.