How To Fix /SAPMP/PUR020 - Item quantity does not equal the total schedule line quantities

/SAPMP/PUR020 - Overview

• Message type: E = Error

• Message class: /SAPMP/PUR -

• Message number: 020

• Message text: Item quantity does not equal the total schedule line quantities

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 /SAPMP/PUR020 - Item quantity does not equal the total schedule line quantities ?

  The SAP error message /SAPMP/PUR020 Item quantity does not equal the total schedule line quantities typically occurs in the context of purchase orders or scheduling agreements. This error indicates a mismatch between the total quantity specified for an item in the purchase order and the sum of the quantities specified in the individual schedule lines for that item.
  
  Cause:
  
  Quantity Mismatch: The total quantity of the item in the purchase order does not match the sum of the quantities in the schedule lines. For example, if the purchase order specifies a total quantity of 100 units, but the schedule lines only add up to 90 units, this error will occur.
  Changes in Schedule Lines: If schedule lines were modified (added, deleted, or changed) after the purchase order was created, it could lead to discrepancies.
  Incorrect Data Entry: Manual entry errors when creating or modifying purchase orders or schedule lines can lead to this issue.
  Incomplete