How To Fix /SAPAPO/FAVSEL021 - Planning area of selection &1 and planning book &2 does not match

/SAPAPO/FAVSEL021 - Overview

• Message type: E = Error

• Message class: /SAPAPO/FAVSEL -

• Message number: 021

• Message text: Planning area of selection &1 and planning book &2 does not match

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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/SAPAPO/FAVSEL021 - Details

• The SAP error message /SAPAPO/FAVSEL021 indicates that there is a mismatch between the planning area and the planning book you are trying to use in the SAP Advanced Planning and Optimization (APO) module. This error typically occurs when the planning area you have selected does not correspond to the planning book you are trying to access or use.
  
  Cause:
  
  Mismatch in Configuration: The planning book is configured to use a specific planning area, and if you attempt to use a different planning area, this error will occur.
  Incorrect Selection: The user may have selected the wrong planning area or planning book in the transaction.
  Changes in Configuration: If there have been recent changes to the planning area or planning book configurations, it may lead to this error if the selections are not updated accordingly.
  
  
  Solution:
  
  
  Verify Planning Area and Planning Book:
  
  Check the configuration of the planning book to ensure it is linked to the correct planning