How To Fix IB_DECO150 - Functional location &1 is already assigned to an installed base

IB_DECO150 - Overview

• Message type: E = Error

• Message class: IB_DECO - IB: Messages for IBase

• Message number: 150

• Message text: Functional location &1 is already assigned to an installed base

This text is similar to NA IB_DECO148

What causes this issue?

Location &V1& was already assigned to installed base &V4& on &V2& at
&V3&.

System Response

The system cannot process the location label that was entered.

How to fix this error?

The initial screen does not allow for transfers from another installed
base. Enter the location label on the installed base processing screen.

Error message extract from SAP system. Copyright SAP SE.

IB_DECO150 - Details

• The SAP error message IB_DECO150 indicates that a functional location is already assigned to an installed base. This typically occurs when you attempt to assign a functional location to an installed base that is already linked to another installed base or when there is an existing assignment that conflicts with the operation you are trying to perform.
  
  Cause:
  
  Existing Assignment: The functional location you are trying to assign is already linked to another installed base.
  Data Integrity: The system enforces data integrity rules to prevent multiple assignments of the same functional location to different installed bases.
  
  Configuration Issues: There may be configuration settings or business rules in place that restrict the assignment of functional locations.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Use transaction codes like IE03 (Display Functional Location) or IB01 (Create Installed Base) to check if the functional location is already assigned to an installed base.
  If it is assigned, you may need to decide whether to remove