How To Fix IO120 - Assembly & is already included in the object list

SAP Error Message - Details

• Message type: E = Error

• Message class: IO - Plant Maintenance: Object List

• Message number: 120

• Message text: Assembly & is already included in the object list

What causes this issue?

You have tried to enter an <DS:GLOS.assembly>assembly</> in the
<DS:GLOS.object_list>object list</> which is already contained in the
object list.

System Response

INCLUDE KEINE-FUNKTION OBJECT DOKU ID TX LANGUAGE EN

How to fix this error?

Delete the entry from the object list.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IO120 - Assembly & is already included in the object list ?

  The SAP error message IO120 typically indicates that an assembly or component is already included in the object list for a particular operation or transaction. This error can occur in various contexts, such as during the creation or modification of production orders, bill of materials (BOM), or other related processes.
  Cause:
  
  Duplicate Entry: The assembly or component you are trying to add is already present in the list, leading to a conflict.
  Incorrect Data Entry: There may be a mistake in the data entry where the same assembly is being referenced multiple times.
  System Configuration: There might be a configuration issue in the system that is causing the assembly to be recognized as already included.
  
  Solution:
  
  Check Object List: Review the object list to confirm if the assembly is indeed already included. If it is, you may not need to add it again.
  Remove Duplicate: If you find that the assembly is duplicated, remove the duplicate entry from the list.
  Correct Data Entry: Ensure that you are entering the correct assembly or component and that there are no typographical errors.
  Consult Documentation: Refer to SAP documentation or help files for specific guidance related to the transaction you are working on.
  System Configuration Review: If the issue persists, consult with your SAP administrator or technical team to review system configurations and settings.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like CO01 (Create Production Order), CS01 (Create BOM), etc.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Permissions: Ensure that you have the necessary permissions to modify the object list.
  Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the IO120 error and implement a solution to resolve it.