How To Fix /SAPAPO/ATP801 - The confirmed quantity - & & - can only be reduced

/SAPAPO/ATP801 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 801

• Message text: The confirmed quantity - & & - can only be reduced

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 /SAPAPO/ATP801 - The confirmed quantity - & & - can only be reduced ?

  The SAP error message /SAPAPO/ATP801 typically occurs in the Advanced Planning and Optimization (APO) module when there is an attempt to increase the confirmed quantity of a product in a specific location, but the system has determined that the confirmed quantity can only be reduced. This situation often arises in the context of Available-to-Promise (ATP) checks and can be related to various factors such as stock levels, production constraints, or order management settings.
  
  Cause:
  
  Stock Availability: The available stock may not be sufficient to fulfill the requested increase in confirmed quantity.
  Order Management: There may be existing orders that have already confirmed quantities, and the system is unable to increase these due to constraints or settings in the order management process.
  Planning Parameters: The planning parameters set for the product may restrict the ability to increase confirmed quantities.
  Allocation Issues: If the product is subject to allocation, the system may restrict increases to ensure that