How To Fix MM151 - You cannot maintain average plant stock here

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 151

• Message text: You cannot maintain average plant stock here

What causes this issue?

You wanted to maintain the average plant stock. However, this is not
possible in the following cases:
When scheduling the creation or changing of a material
When creating a material
If you have not specified a plant
If you have not selected a view for the user department <LS>MRP</>

System Response

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

How to fix this error?

Check and extend your data as required.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM151 - You cannot maintain average plant stock here ?

  The SAP error message MM151, "You cannot maintain average plant stock here," typically occurs in the Materials Management (MM) module when a user attempts to make changes to the average stock of a material at the plant level in a way that is not allowed by the system. This error is often related to the way stock is managed and the settings in the material master.
  Cause:
  
  Stock Type Restrictions: The error may arise if the stock type (e.g., unrestricted, blocked, or quality inspection) does not allow for changes to the average stock.
  Material Master Settings: The material master record may not be set up to allow for average stock maintenance. This can happen if the material is set to a specific valuation type or if it is a non-stock material.
  Transaction Context: The transaction you are using may not support changes to average stock. For example, certain transactions are designed for specific types of stock management and may restrict access to average stock fields.
  User Authorizations: The user may not have the necessary authorizations to make changes to the average stock.
  
  Solution:
  
  Check Material Master Settings: Review the material master record for the material in question. Ensure that the settings allow for average stock maintenance. You can do this by navigating to the material master (MM02) and checking the relevant views (e.g., Accounting, Plant Data).
  Use Appropriate Transactions: Ensure that you are using the correct transaction for the operation you are trying to perform. For example, if you are trying to adjust stock levels, use the appropriate inventory management transactions (e.g., MIGO, MB1A, MB1B).
  Review Stock Types: Check the stock type of the material. If the stock is in a type that does not allow for average stock changes, you may need to move it to a different stock type or adjust your approach.
  User Authorizations: Verify that you have the necessary authorizations to perform the action. If not, contact your SAP security administrator to request the appropriate permissions.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transaction you are using and the material type you are working with.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), MIGO (Goods Movement), and MB1A (Goods Withdrawal).
  SAP Notes: Check for any SAP Notes related to MM151 for additional insights or patches that may address the issue.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the MM151 error and implement a solution to resolve it.