How To Fix PMMO_BASIS031 - Stock Transfer Order (STO) setting should not be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: PMMO_BASIS - Messages for PMMO Basis Objects

• Message number: 031

• Message text: Stock Transfer Order (STO) setting should not be changed

What causes this issue?

The stock transfer order (STO) setting cannot be changed into other
settings.
Changing this setting will not adjust existing entries in the
<AB>PMMO_STOCK </>and<AB> PMMO_CONSUMPTION </>tables. The change may
cause incorrect pegging results.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

The setting change will only affect subsequent stock transfer postings.

System Response

The system will terminate processing.

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 PMMO_BASIS031 - Stock Transfer Order (STO) setting should not be changed ?

  The SAP error message PMMO_BASIS031, which states that the "Stock Transfer Order (STO) setting should not be changed," typically occurs in the context of managing stock transfer orders within the SAP system. This error can arise when there is an attempt to modify certain settings or parameters related to stock transfer orders that are not allowed to be changed after they have been created.
  Cause:
  
  
  System Configuration: The error often indicates that the configuration settings for stock transfer orders in the system are locked or restricted from being changed. This could be due to the settings being defined in a way that prevents modifications once certain transactions have been executed.
  
  
  Document Status: If the stock transfer order is already in a certain status (e.g., completed, partially delivered, etc.), the system may restrict changes to ensure data integrity and consistency.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to make changes to the stock transfer order settings.
  
  
  Solution:
  
  
  Review Configuration Settings: Check the configuration settings for stock transfer orders in the SAP system. Ensure that the settings are appropriate for your business processes and that they allow for the necessary changes.
  
  
  Check Document Status: Verify the status of the stock transfer order. If it is in a status that does not allow changes, you may need to reverse or cancel the order before making any modifications.
  
  
  User Authorizations: Ensure that the user attempting to make the changes has the appropriate authorizations. If not, contact your SAP security administrator to request the necessary permissions.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the settings related to stock transfer orders. This can provide insights into what can and cannot be changed.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration and version.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and others related to stock transfer orders.
  SAP Notes: Check for any SAP Notes related to PMMO_BASIS031 for potential bug fixes or additional guidance.
  Training and Documentation: Ensure that users involved in stock transfer processes are adequately trained on the procedures and restrictions related to stock transfer orders.
  
  By following these steps, you should be able to address the PMMO_BASIS031 error effectively.