How To Fix /SAPAPO/FCST088 - The start value is larger than or equal to the end value

/SAPAPO/FCST088 - Overview

• Message type: E = Error

• Message class: /SAPAPO/FCST -

• Message number: 088

• Message text: The start value is larger than or equal to the end value

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/FCST088 - Details

• The SAP error message /SAPAPO/FCST088 indicates that there is an issue with the forecast data in SAP Advanced Planning and Optimization (APO). Specifically, the error states that the "start value is larger than or equal to the end value," which typically occurs when defining a time period for forecasting.
  
  Cause:
  This error usually arises in the following scenarios:
  
  Incorrect Time Period Definition: When setting up a forecast, the start date/time is incorrectly defined to be the same as or later than the end date/time.
  Data Entry Errors: Manual entry of dates or periods may lead to mistakes where the start date is inadvertently set to a later date than the end date.
  
  Configuration Issues: There may be issues in the configuration of the forecasting model or planning book that lead to this inconsistency.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Forecast Settings:
  
  Navigate to the forecast settings in the relevant planning book or forecasting