How To Fix MU061 - You have already maintained a BOM in this transaction

MU061 - Overview

• Message type: E = Error

• Message class: MU - Maintenance of structured materials

• Message number: 061

• Message text: You have already maintained a BOM in this transaction

What causes this issue?

You want to create or change a bill of material (BOM) for the material
&V2&. However, you have already created or changed a BOM for the
material &V1& in this transaction. Only one BOM can be processed in a
transaction.

System Response

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

How to fix this error?

Save your data. Call up the transaction again and then process the BOM
for the material &V2&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MU061 - Details

• The SAP error message MU061 ("You have already maintained a BOM in this transaction") typically occurs when you attempt to create or modify a Bill of Materials (BOM) in a transaction where a BOM already exists for the specified material and plant combination. This error is a safeguard to prevent duplicate entries for the same BOM.
  
  Cause:
  
  Existing BOM: The primary cause of this error is that a BOM already exists for the material and plant you are trying to maintain.
  Transaction Type: You may be using a transaction that does not allow for the creation of multiple BOMs for the same material and plant.
  Incorrect Data Entry: There may be a mistake in the data you are entering, leading the system to believe that a BOM already exists.
  
  
  Solution:
  
  
  Check Existing BOM: 
  
  Use transaction code CS03 (Display BOM) to check if a BOM already exists for the material and plant you are working with.
  If a