How To Fix COOS021 - Split quantity and qty already confirmed is bigger than the operation qty

SAP Error Message - Details

• Message type: E = Error

• Message class: COOS - Order Split

• Message number: 021

• Message text: Split quantity and qty already confirmed is bigger than the operation qty

What causes this issue?

The split quantity you have entered will lead to an increase in the
total production quantity, since you are splitting more than is
available from the confirmations already made.

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?

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 COOS021 - Split quantity and qty already confirmed is bigger than the operation qty ?

  The SAP error message COOS021 indicates that there is an issue with the confirmation of production orders, specifically related to the split quantity and the quantity already confirmed being greater than the operation quantity. This typically occurs in the context of production order confirmations in the Controlling (CO) module, particularly in the Production Planning (PP) area.
  Cause:
  
  Quantity Mismatch: The error arises when the total quantity that has been confirmed (including any split confirmations) exceeds the quantity that is defined for the operation in the production order.
  Split Confirmations: If you are trying to confirm a portion of the operation (split confirmation), and the total confirmed quantity (including previous confirmations) exceeds the operation's quantity, this error will occur.
  Incorrect Data Entry: Manual entry errors during confirmation can lead to discrepancies in the quantities.
  System Configuration: There may be issues with how the production order is configured, including the settings for split confirmations.
  
  Solution:
  
  Check Confirmed Quantities: Review the confirmed quantities for the operation in question. You can do this by navigating to the production order and checking the confirmation history.
  Adjust Confirmation: If the confirmed quantity exceeds the operation quantity, you will need to adjust the confirmation. You can either:
  
  Reduce the quantity being confirmed to ensure it does not exceed the operation quantity.
  If necessary, reverse the previous confirmation(s) that led to the excess quantity.
  
  
  Review Production Order: Ensure that the production order is correctly set up and that the operation quantities are accurate.
  Use the Correct Confirmation Method: If you are using split confirmations, ensure that you are following the correct process and that the total confirmed quantity does not exceed the operation quantity.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling confirmations and understanding the implications of split confirmations.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CO11N (Single Screen Entry of Confirmations) or CO15 (Confirm Production Order) to manage confirmations.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  User Roles and Permissions: Ensure that the user has the necessary permissions to confirm production orders and that there are no restrictions in place that could lead to this error.
  Training and Best Practices: Consider training for users involved in production order confirmations to minimize errors and improve understanding of the process.
  
  By following these steps, you should be able to resolve the COOS021 error and ensure that production order confirmations are processed correctly.