How To Fix COWIPB504 - Purchase order &1/&2 already references &4 &3

COWIPB504 - Overview

• Message type: E = Error

• Message class: COWIPB - Messages for WIP Batch

• Message number: 504

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

What causes this issue?

An original batch has already been created for a PO item. You have
attempted to create another original batch for the same PO item.

System Response

An error message is issued. It is not possible to assign more than one
original batch to a PO 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.

COWIPB504 - Details

• The SAP error message COWIPB504 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 inventory 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 a different purchase order.
  This can happen if there are multiple purchase orders for the same material and the system is trying to prevent double referencing of the same material document.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing References:
  
  Use transaction codes like ME23N (Display Purchase Order) or MB03 (Display Material Document) to check which purchase order is already referencing the material document in question.
  Identify the purchase order and material document combination that is causing the conflict.
  
  
  
  Modify the Purchase Order:
  
  If you need