How To Fix CN399 - Assemblies with remaining quantities exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 399

• Message text: Assemblies with remaining quantities exist

What causes this issue?

You want to transfer a bill of material.

System Response

Stock does not exist for at least one newly assigned item or its
superior assembly.

How to fix this error?

Check the entries in the overview of the remaining quantity and
deactivate the assignment, if necessary.

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 CN399 - Assemblies with remaining quantities exist ?

  The SAP error message CN399, which states "Assemblies with remaining quantities exist," typically occurs in the context of production orders or assembly processes. This error indicates that there are still components or assemblies that have not been fully processed or consumed in the production order, preventing the completion of the order.
  Cause:
  
  Incomplete Consumption: The components required for the assembly have not been fully consumed or used up in the production process.
  Open Production Orders: There may be open production orders that are still referencing the assemblies, which means they cannot be closed or completed.
  Stock Issues: There might be stock of the assemblies that are still available in inventory, which prevents the system from allowing the completion of the order.
  Incorrect Status: The production order may be in a status that does not allow for the completion due to remaining quantities.
  
  Solution:
  
  Check Production Order Status: Review the status of the production order to ensure it is in a state that allows for completion. If it is not, you may need to change its status.
  Confirm Component Usage: Ensure that all components have been fully consumed. You can do this by checking the component overview in the production order.
  Adjust Remaining Quantities: If there are remaining quantities that should not be there, you may need to adjust the quantities or perform a goods movement to reflect the actual usage.
  Close Open Orders: If there are open production orders that reference the assemblies, consider closing or completing those orders first.
  Use Transaction Codes: Utilize relevant transaction codes such as COHV (Mass Processing of Production Orders) or CO02 (Change Production Order) to manage and adjust the production orders as needed.
  Consult Documentation: Refer to SAP documentation or help resources for specific steps related to your version of SAP, as the process may vary slightly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to production orders, such as CO01 (Create Production Order), CO02 (Change Production Order), and CO03 (Display Production Order).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to production orders and assemblies.
  Training and Support: If you are unsure about how to proceed, consider reaching out to your SAP support team or consulting with a colleague who has experience with production order management.
  
  By following these steps, you should be able to resolve the CN399 error and successfully complete your production order.