How To Fix IO121 - Functional location &1 assembly &2 already contained in object list

IO121 - Overview

• Message type: E = Error

• Message class: IO - Plant Maintenance: Object List

• Message number: 121

• Message text: Functional location &1 assembly &2 already contained in object list

What causes this issue?

You have tried to enter a <DS:GLOS.functional_location>functional
location</> and an <DS:GLOS.assembly>assembly</> in the
<DS:GLOS.object_list>object list</> which are already contained in the
object list.

System Response

INCLUDE KEINE-FUNKTION OBJECT DOKU ID TX LANGUAGE EN

How to fix this error?

Delete the entries from the object list.

Error message extract from SAP system. Copyright SAP SE.

IO121 - Details

• The SAP error message IO121 indicates that a functional location (FL) and an assembly (or component) are already included in the object list for a particular operation or transaction. This typically occurs in the context of maintenance orders, work orders, or similar processes where you are trying to add a functional location or assembly that has already been included in the list.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the functional location and assembly you are trying to add have already been added to the object list of the order or operation.
  System Configuration: There may be specific configurations or settings in the SAP system that prevent duplicate entries in certain transactions.
  User Error: The user may not be aware that the functional location or assembly is already part of the list, leading to an attempt to add it again.
  
  
  Solution:
  
  Check Object List: Review the object list of the order