How To Fix BOM601 - Assembly for material &1 and sales order &2 &3 already exists

BOM601 - Overview

• Message type: E = Error

• Message class: BOM - BOMs (2)

• Message number: 601

• Message text: Assembly for material &1 and sales order &2 &3 already exists

What causes this issue?

You want to copy a multi-level BOM from one sales order to another.
However, one of the order BOMs in the multi-level BOM is already a
detached order assembly in the target order.

System Response

The system does not copy any BOM.

How to fix this error?

Check whether the detached order assembly in the target order is still
required and delete it if not. Then repeat the operation.

Procedure for System Administrators

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 BOM601 - Assembly for material &1 and sales order &2 &3 already exists ?

  The SAP error message BOM601 indicates that there is an attempt to create a Bill of Materials (BOM) for a specific assembly (material) and sales order that already has an existing BOM. This error typically arises in the context of production planning and sales order management when the system detects that a BOM for the specified assembly and sales order combination already exists in the database.
  
  Cause:
  
  Duplicate BOM Entry: The most common cause is that a BOM for the specified material and sales order has already been created. This can happen if the user attempts to create a BOM without checking for existing entries.
  Incorrect Data Entry: There may be a mistake in the data entry, such as using the wrong sales order number or material number.
  System Configuration: In some cases, the system configuration may allow for certain combinations that lead to this error.
  
  
  Solution:
  
  Check Existing BOMs: Before creating a new BOM, check