How To Fix MM172 - Lot size independent in-house production time will be reset

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 172

• Message text: Lot size independent in-house production time will be reset

What causes this issue?

You have specified a lot size <ZH>dependent</> in-house production
time. A lot size <ZH>independent</> in-house production time was
previously assigned to the material.

System Response

The system cancels the lot size independent in-house production time.

How to fix this error?

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 MM172 - Lot size independent in-house production time will be reset ?

  The SAP error message MM172, which states "Lot size independent in-house production time will be reset," typically occurs in the context of Material Management (MM) and Production Planning (PP) modules. This message indicates that there is an issue with the configuration of the in-house production time for a material, particularly when it is set to be independent of lot size.
  Cause:
  
  Configuration Issues: The in-house production time may have been set incorrectly in the material master or in the production scheduling profile.
  Lot Size Settings: The system may be trying to apply a lot size-dependent production time to a material that is configured for lot size-independent production time.
  Master Data Inconsistencies: There may be inconsistencies in the material master data, such as the production version or routing not being properly defined.
  Changes in Production Parameters: If there have been recent changes to production parameters or settings, it may lead to this error.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the relevant views (e.g., MRP, Work Scheduling).
  Ensure that the in-house production time is correctly defined and that it is set to be independent of lot size if that is the intended configuration.
  
  
  
  Review Production Scheduling Profile:
  
  Check the production scheduling profile assigned to the material. Ensure that it is configured correctly and that it aligns with the intended production strategy.
  
  
  
  Adjust Lot Size Settings:
  
  If the material is intended to have lot size-independent production time, ensure that the lot size settings in the material master are configured accordingly.
  
  
  
  Check Routing and Production Version:
  
  Verify that the routing and production version for the material are correctly defined and that they match the production process.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error message or provide additional guidance on configuration.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform a test run to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), CO01 (Create Production Order), CO02 (Change Production Order).
  SAP Documentation: Refer to SAP Help documentation for detailed information on material master data and production planning.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP functional consultant or your organization's SAP support team for further assistance.