How To Fix /PLMI/PPE_BO011 - Assembly relationship already exists between item &1&3 and header &2&4

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/PPE_BO -

• Message number: 011

• Message text: Assembly relationship already exists between item &1&3 and header &2&4

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/PPE_BO011 - Assembly relationship already exists between item &1&3 and header &2&4 ?

  The SAP error message /PLMI/PPE_BO011 indicates that there is an attempt to create an assembly relationship between a component item and a header item that already exists in the system. This typically occurs in the context of Product Lifecycle Management (PLM) or Production Planning (PP) when trying to define or modify the relationship between a bill of materials (BOM) or assembly structure.
  
  Cause:
  The error is triggered when:
  
  You are trying to create a new assembly relationship (e.g., adding a component to a BOM) that already exists.
  There may be a duplicate entry in the database for the same component and header combination.
  The system is enforcing data integrity rules to prevent duplicate relationships.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Relationships:
  
  Use transaction codes like CS03 (Display BOM) or CS02 (Change BOM) to check if the assembly relationship already exists between the specified item and header.
  Look for the specific component and header