How To Fix R1177 - Application object &1: No dynpro field > DB field assignment exists

SAP Error Message - Details

• Message type: E = Error

• Message class: R1 - Business Partner Messages from S_BUPA_GENERAL

• Message number: 177

• Message text: Application object &1: No dynpro field > DB field assignment exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R1177 - Application object &1: No dynpro field > DB field assignment exists ?

  The SAP error message R1177, which states "Application object &1: No dynpro field > DB field assignment exists," typically occurs when there is a mismatch or missing assignment between a screen field (dynpro field) and a database field in the context of a custom or standard SAP application.
  Cause:
  
  
  Missing Field Assignment: The most common cause of this error is that a field on a screen (dynpro) does not have a corresponding database field assignment. This can happen if the screen was modified, or if the data dictionary (DDIC) definitions were changed without updating the screen.
  
  
  Incorrect Field Mapping: If the field mapping in the screen's flow logic or screen painter is incorrect or not properly defined, it can lead to this error.
  
  
  Changes in Data Dictionary: If there have been changes in the underlying database table or structure (like adding or removing fields) without updating the associated screen, this error can occur.
  
  
  Custom Development Issues: In custom programs, if the developer did not properly link the screen fields to the database fields, this error may arise.
  
  
  Solution:
  
  
  Check Screen Field Assignments:
  
  Go to the screen in the Screen Painter (SE80 or SE41).
  Verify that all fields on the screen have corresponding database fields assigned. You can do this by checking the field properties in the Screen Painter.
  
  
  
  Update Field Mapping:
  
  If you find any fields that are not mapped correctly, update the field mapping to ensure that each dynpro field has a corresponding database field.
  
  
  
  Review Data Dictionary Changes:
  
  If there have been recent changes to the database table, ensure that the screen is updated accordingly. You may need to regenerate the screen or adjust the field assignments.
  
  
  
  Debugging:
  
  If the issue persists, you can use the debugger to trace the program execution and identify where the assignment is failing.
  
  
  
  Transport Requests:
  
  If the issue is in a transport request, ensure that all necessary objects are included in the transport and that they are correctly imported into the target system.
  
  
  
  Consult Documentation:
  
  Review any documentation related to the custom development or changes made to the application to ensure that all necessary adjustments have been made.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE41 (Menu Painter), SE11 (Data Dictionary), SE37 (Function Module).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Custom Development Guidelines: Follow best practices for custom development in SAP to avoid such issues in the future.
  
  By following these steps, you should be able to resolve the R1177 error and ensure that your application functions correctly.