How To Fix U2028 - Assignment already exists for newly created cost element &1

U2028 - Overview

• Message type: E = Error

• Message class: U2 - Treasury - Funds Management

• Message number: 028

• Message text: Assignment already exists for newly created cost element &1

What causes this issue?

If you assign a Funds Management (FM) account assignment to a cost
element group, then it is automatically assigned to all cost elements
from this group.
You want to assign a new cost element to group &V2&. However, you have
already assigned an FM account assignment to cost element &V1& which
differs from the FM account assignment for group &V2&.

System Response

Function is not carried out.

How to fix this error?

If you want to keep the FM account assignment you have allocated to
group &V2&,
you must cancel the FM account assignment allocation for object &V1&
or do not assign cost element &V1& to group &V2&.

Error message extract from SAP system. Copyright SAP SE.

U2028 - Details

• The SAP error message U2028, which states "Assignment already exists for newly created cost element &1," typically occurs when you attempt to create a new cost element in SAP that already has an existing assignment in the system. This can happen in various scenarios, such as when you are trying to create a cost element that has the same characteristics as an already existing one or when there is a conflict in the configuration.
  
  Cause:
  
  Duplicate Cost Element: The cost element you are trying to create already exists in the system, and there is an assignment associated with it.
  Incorrect Configuration: There may be a misconfiguration in the cost element settings or in the controlling area.
  Data Consistency Issues: There might be inconsistencies in the data that lead to the system recognizing the new cost element as a duplicate.
  
  
  Solution:
  
  
  Check Existing Cost Elements: Before creating a new cost element, check the existing cost elements in