How To Fix 37045 - ABAP Dictionary field name already exists on the screen

SAP Error Message - Details

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 045

• Message text: ABAP Dictionary field name already exists on the screen

What causes this issue?

The name of the requested ABAP Dictionary field is identical to another
screen element.

How to fix this error?

Check the name in the element list (F7). If necessary, use a different
name preceded by '*'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 37045 - ABAP Dictionary field name already exists on the screen ?

  The SAP error message 37045, which states "ABAP Dictionary field name already exists on the screen," typically occurs when there is a conflict in the naming of fields in an SAP screen (dynpro). This error indicates that a field name defined in the ABAP Dictionary (Data Dictionary) is being used more than once on the same screen, which is not allowed.
  Cause:
  
  Duplicate Field Names: The most common cause of this error is that the same field name has been defined multiple times in the screen layout or in the program logic.
  Field Grouping: If fields are grouped together and share the same name, this can also lead to conflicts.
  Inconsistent Naming: Sometimes, fields may have similar names or be derived from the same data element, leading to confusion in the screen definition.
  
  Solution:
  
  Check Screen Layout: Open the screen in the Screen Painter (SE80 or SE41) and check for any duplicate field names. Ensure that each field has a unique name.
  Rename Fields: If you find duplicate field names, rename them to ensure that each field is unique within the screen.
  Review Field Groups: If you are using field groups, ensure that the fields within those groups do not have conflicting names.
  Check Data Elements: If the fields are based on the same data element, consider creating a new data element for one of the fields to avoid conflicts.
  Recompile the Program: After making changes, recompile the program and activate the screen to ensure that the changes take effect.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator) or SE41 (Menu Painter) to access and modify screen definitions.
  ABAP Dictionary: Use transaction SE11 to check the definitions of data elements and domains that might be causing conflicts.
  Debugging: If the error persists, you can use the debugger to trace the program execution and identify where the conflict arises.
  
  By following these steps, you should be able to resolve the error message 37045 and ensure that your screen definitions are correctly set up without naming conflicts.