How To Fix FO254 - Assignment not valid; Cover pool contains allocated account assignment

FO254 - Overview

• Message type: E = Error

• Message class: FO - Cross-ISPS Functions

• Message number: 254

• Message text: Assignment not valid; Cover pool contains allocated account assignment

What causes this issue?

You want to assign expenditures cover pool &V3& to revenues FM account
assignment &V1& as the receiver of additional revenues increasing the
budget.
Revenues FM account assignment &V1& is however already assigned to
expenditures FM account assignment &V2& as the receiver of additional
revenues increasing the budget. The account assignment is a member of
the cover pool.
An expenditures FM account assignment cannot be assigned more than
once.

System Response

The program cannot process this entry.

How to fix this error?

Enter another expenditures cover pool or delete this account assignment
from the cover pool.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FO254 - Details

• The SAP error message FO254, which states "Assignment not valid; Cover pool contains allocated account assignment," typically occurs in the context of asset accounting (FI-AA) when there is an issue with the assignment of assets to a cover pool. This error indicates that the asset you are trying to assign to a cover pool has already been allocated to another account assignment, which is not allowed.
  
  Cause:
  
  Existing Allocations: The asset you are trying to assign to the cover pool is already allocated to another account assignment. This could be due to previous transactions or configurations that have linked the asset to a different cost center, internal order, or other account assignment objects.
  Incorrect Configuration: The configuration of the cover pool or the asset may not be set up correctly, leading to conflicts in assignments.
  Data Integrity Issues: There may be inconsistencies in the data related to the asset or the cover pool, such