How To Fix /SAPAPO/MA321 - The horizon entered is not completely in the past

/SAPAPO/MA321 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 321

• Message text: The horizon entered is not completely in the past

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/MA321 - The horizon entered is not completely in the past ?

  The SAP error message /SAPAPO/MA321 indicates that the horizon you have entered for a planning operation is not entirely in the past. This typically occurs in the context of Advanced Planning and Optimization (APO) when you are trying to execute a planning function or transaction that requires a time horizon that should be completely in the past.
  
  Cause:
  
  Incorrect Date Input: The date or time you have entered for the planning operation is either in the present or future, which violates the requirement for the horizon to be in the past.
  
  Configuration Issues: There may be settings in the system that define the planning horizon incorrectly, leading to this error.
  Data Consistency: There might be inconsistencies in the data that affect the planning horizon, such as incorrect master data or planning parameters.
  
  
  Solution:
  
  Check Date Input: Ensure that the date or time you are entering for the planning operation is indeed in the past. Adjust the