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

SAP Error Message - Details

• 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

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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 quantity changes (e.g., if it has already been partially delivered or invoiced).
  
  Solution:
  
  Check Purchase Order Status: Review the status of the purchase order to ensure that it is in a state that allows for quantity changes. If it has been partially delivered or invoiced, you may need to reverse those transactions first.
  Review Stock Levels: Check the stock levels to see if there are any allocations against the purchase order. If stock has already been reserved, you may need to adjust those allocations before reducing the PO quantity.
  Adjust Delivery Schedules: If there are delivery schedules associated with the purchase order, you may need to adjust those schedules to accommodate the quantity reduction.
  Consult with Business Rules: Ensure that the reduction of the purchase order quantity aligns with your organization's business rules and processes. If necessary, consult with your procurement or materials management team for guidance.
  Use Transaction Codes: Utilize relevant transaction codes (e.g., ME22N for changing purchase orders) to make the necessary adjustments, ensuring that you have the appropriate authorizations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to purchase order management, such as ME21N (Create PO), ME22N (Change PO), and ME23N (Display PO).
  SAP Notes: Check for any SAP Notes related to this error message for specific patches or updates that may address the issue.
  Documentation: Review SAP documentation or user manuals for guidance on managing purchase orders and understanding the implications of quantity changes.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide further assistance based on your specific system configuration and business processes.