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

37045 - Overview

• 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.

37045 - Details

• 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