How To Fix COWIPB128 - Not all WIP batches have been assigned to order items

SAP Error Message - Details

• Message type: E = Error

• Message class: COWIPB - Messages for WIP Batch

• Message number: 128

• Message text: Not all WIP batches have been assigned to order items

What causes this issue?

You wanted to finally confirm the last confirmable operation of a
production/process order.
WIP batches exist at the highest level for this production/process
order. Of these, at least one is not assigned to an order item. However,
all WIP batches of the highest level must be assigned to an order item.

System Response

The system terminates the function.

How to fix this error?

Assign all WIP batches of the highest level to an order item.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message COWIPB128 - Not all WIP batches have been assigned to order items ?

  The SAP error message COWIPB128 indicates that not all Work In Progress (WIP) batches have been assigned to order items in the context of production orders. This error typically arises during the process of confirming production orders or when trying to settle production orders.
  Cause:
  
  
  Incomplete Assignment: The primary cause of this error is that there are WIP batches that have not been fully assigned to the corresponding order items. This can happen if:
  
  Some batches were not included in the production order.
  There are discrepancies in the batch management settings.
  The production order was not updated correctly after changes were made.
  
  
  
  Batch Management Issues: If batch management is enabled, the system expects that all WIP batches are accounted for in the production order. If any batch is missing or not properly linked, this error will occur.
  
  
  Incorrect Configuration: Configuration settings related to WIP and production orders may not be set up correctly, leading to issues in batch assignment.
  
  
  Solution:
  
  
  Check Batch Assignment: Review the production order and ensure that all WIP batches are correctly assigned to the order items. You can do this by:
  
  Navigating to the production order in SAP.
  Checking the "Components" or "WIP" tab to see if all batches are listed.
  
  
  
  Reassign Batches: If you find that some batches are missing, you can manually assign them to the order items. This can typically be done through the production order transaction (e.g., CO02).
  
  
  Review Production Order Status: Ensure that the production order is in the correct status for batch assignment. If the order is already confirmed or settled, you may need to reverse the confirmation or make adjustments.
  
  
  Check Configuration: If the issue persists, review the configuration settings related to WIP and batch management in the SAP system. Ensure that they align with your business processes.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific steps related to your version of SAP, as the process may vary slightly.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance.
  
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to production orders include CO01 (Create Production Order), CO02 (Change Production Order), and CO03 (Display Production Order).
  Batch Management: Familiarize yourself with batch management settings in SAP, as they play a crucial role in how materials are tracked and assigned in production processes.
  Production Order Settlement: Understanding the settlement process for production orders can also help in troubleshooting related issues.
  
  By following these steps, you should be able to identify and resolve the cause of the COWIPB128 error in SAP.