How To Fix MILL_PC_OB004 - Purchase order &1/&2 already references &4 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_PC_OB - Original Batch

• Message number: 004

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

copied from HM6

What causes this issue?

An original batch has already been created for an order item. You are
trying to create another original batch for the same order item.

System Response

An error message is displayed. You cannot create more than one original
batch for an 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_PC_OB004 - Purchase order &1/&2 already references &4 &3 ?

  The SAP error message MILL_PC_OB004 indicates that a purchase order (PO) is attempting to reference a material or service that has already been linked to another purchase order. This typically occurs in the context of the SAP Materials Management (MM) module, particularly when dealing with purchase orders and their associated items.
  Cause:
  The error arises when:
  
  You are trying to create or modify a purchase order that references a material or service that is already associated with another purchase order.
  The system enforces a rule that prevents multiple purchase orders from referencing the same item in certain scenarios, such as when dealing with specific procurement types or configurations.
  
  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 or service in question. You can do this by using transaction codes like ME23N (Display Purchase Order) or ME2N (Purchase Orders by PO Number).
  
  
  
  Modify the Purchase Order:
  
  If you need to reference the same material or service, consider modifying the existing purchase order instead of creating a new one. This may involve changing quantities, delivery dates, or other relevant details.
  
  
  
  Create a New Item:
  
  If the business process allows, you can create a new item in the purchase order with a different material number or service code that does not conflict with existing references.
  
  
  
  Consult with Your SAP Administrator:
  
  If you are unsure about the business rules or configurations that are causing this error, consult with your SAP MM administrator or functional consultant. They can provide insights into the specific settings that may be enforcing this restriction.
  
  
  
  Review Configuration Settings:
  
  In some cases, the error may be related to specific configuration settings in the SAP system. Your SAP MM team can review the settings related to purchase order processing to determine if adjustments are needed.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order).
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP Notes can provide additional context or solutions that may not be immediately apparent.
  Documentation: Review SAP documentation related to purchase order processing and material management to understand the underlying business processes and rules.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.