How To Fix MILL_MM_OB004 - Purchase order &1/&2 already references &4 &3

MILL_MM_OB004 - Overview

• Message type: E = Error

• Message class: MILL_MM_OB - Original Batch

• Message number: 004

• Message text: Purchase order &1/&2 already references &4 &3

What causes this issue?

An original batch has already been created for a purchase order item.
You tried to create another orginal batch for the same purchase order
item.

System Response

An error message appears. You cannot assign more than one original
batch to a purchase order item.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MILL_MM_OB004 - Details

• The SAP error message MILL_MM_OB004 indicates that a purchase order (PO) is attempting to reference a material document that has already been linked to another purchase order. This typically occurs in the context of materials management and procurement processes within SAP.
  
  Cause:
  The error arises when:
  
  You are trying to create or modify a purchase order that references a material document (like a goods receipt) that is already associated with another purchase order.
  This can happen if there are duplicate entries or if the same material is being processed in multiple purchase orders simultaneously.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Purchase Orders:
  
  Review the existing purchase orders to see which one is already referencing the material document. You can do this by using transaction codes like ME23N (Display Purchase Order) or ME2N (Purchase Orders by Vendor).
  
  
  
  Identify the Material Document:
  
  Use transaction code MB03 (Display Material Document) to check the details of the