How To Fix KK422 - Lot size was not changed

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 422

• Message text: Lot size was not changed

What causes this issue?

The new lot size is the same as the old lot size.

System Response

The system made no calculations.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK422 - Lot size was not changed ?

  The SAP error message KK422 ("Lot size was not changed") typically occurs in the context of controlling and production planning when you are trying to change the lot size of a production order or a planned order, but the system does not allow the change due to certain conditions not being met.
  Causes:
  
  Lot Size Configuration: The lot size defined in the material master or in the production order may not allow for changes. This can happen if the lot size is fixed or if there are constraints in the configuration.
  Order Status: The production order or planned order may be in a status that does not allow changes (e.g., released, completed).
  Dependencies: There may be dependencies or settings in the production planning configuration that prevent the lot size from being changed.
  Master Data Issues: The material master data or the production version may not be set up correctly, leading to restrictions on changing the lot size.
  
  Solutions:
  
  Check Order Status: Ensure that the production order or planned order is in a status that allows for changes. If it is released, you may need to set it back to a status that allows changes (e.g., "Created").
  Review Lot Size Settings: Go to the material master (transaction MM03) and check the lot size settings. Ensure that the lot size is not fixed and that it allows for changes.
  Adjust Configuration: If the lot size is controlled by configuration settings, review the relevant configuration in the production planning module (transaction SPRO) to ensure that it allows for changes.
  Use Alternative Methods: If the lot size cannot be changed directly, consider creating a new order with the desired lot size or adjusting the production plan to accommodate the required changes.
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific guidance related to your system configuration.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CO02 (Change Production Order), CO01 (Create Production Order), or MD04 (Stock/Requirements List) to manage orders and check their statuses.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to production orders or planned orders.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further assistance.