How To Fix WU639 - Required quantity & is adopted as confirmed quantity for mat. &, plant &

WU639 - Overview

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 639

• Message text: Required quantity & is adopted as confirmed quantity for mat. &, plant &

What causes this issue?

The confirmed quantity for a material was adopted from the plant's
required quantity.

System Response

The required quantity is adopted as the confirmed quantity for an item
if the confirmed quantity was not entered and a reply was sent. The
confirmed quantity can be changed up until an allocation table is
generated for the item.

How to fix this error?

If you want to adopt the required quantity during data entry, set this
in the <DS:SIMG.W_ZF_VK_0610>Announcement Category</>.

Error message extract from SAP system. Copyright SAP SE.

WU639 - Details

• The SAP error message WU639 indicates that there is a discrepancy between the required quantity and the confirmed quantity for a specific material in a particular plant. This message typically arises in the context of production planning or inventory management when the system is unable to confirm the required quantity of a material due to various reasons.
  
  Cause:
  
  Insufficient Stock: The required quantity of the material is greater than the available stock in the plant.
  Production Order Issues: There may be issues with the production order, such as incorrect settings or missing components.
  Reservation Problems: If there are reservations for the material that exceed the available quantity, this can lead to the error.
  
  Configuration Issues: Incorrect configuration in the material master or plant settings can also lead to this error.
  Batch Management: If batch management is enabled, and the required batch is not available, it can cause this error.
  
  
  Solution:
  
  Check Stock Levels: Verify the stock levels of