How To Fix MM412 - &: & blocked stock returns exist

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 412

• Message text: &: & blocked stock returns exist

Self-Explanatory Message

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• What is the cause and solution for SAP error message MM412 - &: & blocked stock returns exist ?

  The SAP error message MM412, which states "Blocked stock returns exist," typically occurs in the context of inventory management and material movements. This error indicates that there are items in blocked stock that cannot be processed or moved until the blocked stock is addressed.
  Cause:
  The error arises when you attempt to perform a transaction (such as a goods movement or a stock transfer) that involves materials that have been marked as blocked stock. Blocked stock is inventory that is not available for use due to various reasons, such as quality issues, pending inspections, or returns that have not been processed.
  Solution:
  To resolve the MM412 error, you can follow these steps:
  
  
  Identify Blocked Stock:
  
  Use transaction codes like MB52 (List of Warehouse Stocks on Hand) or MB1B (Transfer Posting) to identify the materials that are in blocked stock.
  You can also check the stock overview using MMBE to see the stock status of the materials.
  
  
  
  Review Blocked Stock Reasons:
  
  Investigate why the stock is blocked. Common reasons include quality inspection results, returns from customers, or stock that has been flagged for other reasons.
  
  
  
  Process Blocked Stock:
  
  If the blocked stock is due to quality issues, you may need to perform a quality inspection and either release the stock or scrap it.
  If the stock is from returns, ensure that the returns are processed correctly. You may need to create a return delivery or perform a goods receipt for the returned items.
  
  
  
  Unblock Stock:
  
  If the stock is no longer needed to be blocked, you can change the stock status using transaction MB1B for transfer postings or MIGO for goods movements to move the stock from blocked to unrestricted stock.
  
  
  
  Check Configuration:
  
  Ensure that the configuration settings for blocked stock and returns are correctly set up in your SAP system. This may involve checking the movement types and stock types.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MB52: List of Warehouse Stocks on Hand
  MB1B: Transfer Posting
  MIGO: Goods Movement
  MMBE: Stock Overview
  
  
  
  Documentation:
  
  Refer to SAP Help documentation for detailed information on inventory management and handling blocked stock.
  
  
  
  User Roles:
  
  Ensure that you have the necessary authorizations to view and modify stock statuses.
  
  
  
  Consult with SAP Support:
  
  If the issue persists or if you need further assistance, consider reaching out to your SAP support team or consulting SAP Notes for specific guidance related to your version of SAP.
  
  
  
  By following these steps, you should be able to resolve the MM412 error and manage your blocked stock effectively.