How To Fix /SAPAPO/ATP051 - Please select a simulated requirement

/SAPAPO/ATP051 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 051

• Message text: Please select a simulated requirement

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP051 - Please select a simulated requirement ?

  The SAP error message /SAPAPO/ATP051 typically occurs in the Advanced Planning and Optimization (APO) module, particularly in the context of Available-to-Promise (ATP) checks. This error indicates that the system requires a simulated requirement to proceed with the ATP check.
  
  Cause:
  The error message /SAPAPO/ATP051 is triggered when:
  
  The ATP check is initiated without a valid simulated requirement being selected.
  The system is unable to find a suitable requirement for the ATP check, which is necessary for determining availability.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Select a Simulated Requirement:
  
  Ensure that you have selected a valid simulated requirement in the ATP check. This can usually be done in the transaction or screen where you are performing the ATP check.
  
  
  
  Check Configuration:
  
  Verify the configuration settings for ATP in the APO system. Ensure that the settings for simulated requirements are correctly defined.
  
  
  
  Review Master Data:
  
  Check the master data for the materials involved. Ensure that the necessary data (like