How To Fix IO103 - Equipment &1 assembly &2 is already in the object list

SAP Error Message - Details

• Message type: E = Error

• Message class: IO - Plant Maintenance: Object List

• Message number: 103

• Message text: Equipment &1 assembly &2 is already in the object list

What causes this issue?

You have entered a piece of equipment and an assembly that is already
in the object list.

System Response

The piece of equipment can only appear in the object list once with
this assembly.

How to fix this error?

Correct your entry.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IO103 - Equipment &1 assembly &2 is already in the object list ?

  The SAP error message IO103, which states "Equipment &1 assembly &2 is already in the object list," typically occurs in the context of maintenance or production planning when you are trying to add an equipment or assembly that is already included in the current object list. This can happen in various transactions related to maintenance orders, production orders, or other object lists where equipment or assemblies are managed.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the equipment or assembly you are trying to add is already present in the list you are working with.
  Incorrect Data Entry: There may be a mistake in the data entry process, leading to an attempt to add the same equipment or assembly multiple times.
  System Configuration: In some cases, system settings or configurations may lead to unexpected behavior, causing the system to think that the equipment is already in the list.
  
  
  Solution:
  
  Check the Object