How To Fix MILL_MM_OB018 - Purchase order &1/&2 is assigned to original batch &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_MM_OB - Original Batch

• Message number: 018

• Message text: Purchase order &1/&2 is assigned to original batch &3 &4

What causes this issue?

The specified purchase order item contains the number of a batch
managed as stock. There is already a goods receipt for purchase order
&V1& /&V2& for this batch. An original batch has already been created
for this purchase order (material &V3&, original batch &V4&).

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?

Consider whether it makes sense to create more than one original batch
for the same batch.

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_MM_OB018 - Purchase order &1/&2 is assigned to original batch &3 &4 ?

  The SAP error message MILL_MM_OB018 indicates that a purchase order (PO) is assigned to an original batch, and there is an issue related to that assignment. This error typically arises in the context of batch management in SAP, particularly when dealing with materials that are managed in batches.
  Cause:
  The error can occur due to several reasons, including:
  
  Batch Assignment Issues: The purchase order is linked to a batch that is either not available, has been deleted, or is not in the expected status.
  Batch Status: The batch may be in a status that does not allow it to be used for the purchase order (e.g., blocked, expired).
  Incorrect Batch Number: The batch number referenced in the purchase order may be incorrect or not exist in the system.
  Configuration Issues: There may be configuration settings in the material master or batch management that are causing the error.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Batch Status: Verify the status of the batch associated with the purchase order. Ensure that it is available and not blocked or expired.
  Validate Batch Assignment: Ensure that the batch number assigned to the purchase order is correct and exists in the system.
  Review Purchase Order: Check the details of the purchase order to ensure that it is correctly configured and that all necessary information is provided.
  Batch Management Configuration: Review the configuration settings for batch management in the material master to ensure they are set up correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on batch management and purchase orders.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as ME23N (Display Purchase Order) or MMBE (Stock Overview) to investigate the issue further.
  Batch Management: Familiarize yourself with batch management concepts in SAP, including how batches are created, assigned, and managed.
  Material Master: Review the material master data for the item in question to ensure that batch management is properly configured.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.