How To Fix MM128 - The production version to be used for costing will be reset

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 128

• Message text: The production version to be used for costing will be reset

What causes this issue?

While maintaining the production versions for the material, you deleted
the production version to be used for costing the material.

System Response

The value in the <LS>Production version</> field will be reset by the
system. In the standard SAP system, this field appears on the
<LS>Costing</> screen.

How to fix this error?

If required, specify another production version.

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 MM128 - The production version to be used for costing will be reset ?

  The SAP error message MM128, which states "The production version to be used for costing will be reset," typically occurs in the context of Material Management (MM) and Production Planning (PP) modules. This message indicates that the system is unable to determine a valid production version for the material during the costing process.
  Causes of MM128 Error
  
  Missing Production Version: The material does not have a valid production version assigned in the system.
  Inactive Production Version: The production version exists but is marked as inactive or not valid for the current period.
  Configuration Issues: There may be configuration issues in the material master or production version settings.
  Costing Variant Settings: The costing variant may not be set up correctly to access the production version.
  Material Status: The material may have a status that prevents it from being used in production or costing.
  
  Solutions to MM128 Error
  
  
  Check Production Versions:
  
  Go to the material master (transaction code MM03) and check if the production versions are correctly defined for the material.
  Ensure that at least one production version is active and valid for the relevant period.
  
  
  
  Review Material Master Data:
  
  Ensure that the material is correctly set up in the material master, including the relevant views (Basic Data, MRP, Work Scheduling, etc.).
  Check if the material type allows for production versions.
  
  
  
  Verify Costing Variant:
  
  Check the costing variant settings (transaction code OKKN) to ensure that it is configured to use production versions.
  Make sure that the costing variant is assigned to the appropriate valuation area.
  
  
  
  Check for Material Status:
  
  Review the material status to ensure it is not set to a status that would prevent costing or production.
  
  
  
  Consult with Configuration Team:
  
  If the issue persists, consult with your SAP configuration team to review the settings related to production versions and costing.
  
  
  
  Recreate Production Version:
  
  If necessary, you may need to delete and recreate the production version to ensure it is correctly configured.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  CO01: Create Production Order
  CK11N: Create Cost Estimate with Quantity Structure
  OKKN: Costing Variants
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on production versions and costing processes.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the MM128 error.
  
  
  By following these steps, you should be able to identify the cause of the MM128 error and implement the necessary solutions to resolve it.