How To Fix /ISDFPS/MM_CS081 - Reduction of the purchase order quantity; start purchase order &1

/ISDFPS/MM_CS081 - Overview

• Message type: E = Error

• Message class: /ISDFPS/MM_CS -

• Message number: 081

• Message text: Reduction of the purchase order quantity; start purchase order &1

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/MM_CS081 - Reduction of the purchase order quantity; start purchase order &1 ?

  The SAP error message /ISDFPS/MM_CS081 typically indicates that there is an issue with the reduction of the purchase order quantity in the context of a purchase order (PO) related to materials management. This error can occur in various scenarios, such as when trying to reduce the quantity of a purchase order that has already been processed or when there are constraints related to stock levels, delivery schedules, or other related documents.
  
  Cause:
  
  Quantity Reduction: The error is triggered when there is an attempt to reduce the quantity of a purchase order that is not allowed due to system constraints or business rules.
  Stock Availability: There may be stock already allocated against the purchase order, making it impossible to reduce the quantity.
  Delivery Schedules: If there are delivery schedules associated with the purchase order, reducing the quantity may violate those schedules.
  Document Status: The purchase order may be in a status that does not allow for