How To Fix /SCWM/GM064 - Posting change quantity reduced due to missing available quantity

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/GM -

• Message number: 064

• Message text: Posting change quantity reduced due to missing available quantity

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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• What is the cause and solution for SAP error message /SCWM/GM064 - Posting change quantity reduced due to missing available quantity ?

  The SAP error message /SCWM/GM064 indicates that a posting change quantity has been reduced because there is not enough available quantity in the specified storage location or stock type. This error typically occurs in the context of warehouse management and inventory handling in SAP Extended Warehouse Management (EWM).
  
  Cause:
  
  Insufficient Stock: The primary cause of this error is that the quantity you are trying to post for a change exceeds the available stock in the specified location.
  Stock Type Restrictions: The stock may be in a restricted stock type (e.g., blocked stock, quality inspection stock) that cannot be used for the posting change.
  Incorrect Storage Location: The storage location specified in the posting may not have the expected quantity available.
  Inventory Management Issues: There may be discrepancies in inventory records due to previous transactions that were not properly posted or updated.
  
  
  Solution:
  
  Check Available Stock: Verify the available stock in the specified storage location using transaction codes