How To Fix /SAPAPO/OUTLDET109 - Event to be created would start earlier than history horizon

/SAPAPO/OUTLDET109 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OUTLDET -

• Message number: 109

• Message text: Event to be created would start earlier than history horizon

Self-Explanatory Message

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/SAPAPO/OUTLDET109 - Details

• The SAP error message /SAPAPO/OUTLDET109 indicates that an event you are trying to create in the SAP Advanced Planning and Optimization (APO) system is scheduled to start earlier than the defined history horizon. This typically occurs in the context of planning and forecasting, where the system has a defined period for historical data that it uses to make predictions or plan future events.
  
  Cause:
  
  History Horizon Configuration: The history horizon is a time frame set in the system that defines how far back the system can look for historical data. If you attempt to create an event that starts before this horizon, the system will throw this error.
  Event Scheduling: The event you are trying to create may have been scheduled incorrectly, leading to a start time that is outside the permissible range defined by the history horizon.
  
  
  Solution:
  
  
  Adjust the History Horizon:
  
  You can extend the history horizon in the configuration settings of your APO