How To Fix /SAPAPO/OE028 - No orders could be selected within the horizon

/SAPAPO/OE028 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OE -

• Message number: 028

• Message text: No orders could be selected within the horizon

Self-Explanatory Message

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/SAPAPO/OE028 - Details

• The SAP error message /SAPAPO/OE028 No orders could be selected within the horizon typically occurs in the context of Advanced Planning and Optimization (APO) when trying to execute a planning function, such as a heuristic or a planning run, and no relevant orders are found within the specified planning horizon.
  Causes:
  
  Horizon Settings: The planning horizon may be set too short, meaning that there are no orders that fall within the defined time frame.
  Order Status: The orders you are trying to select may not be in a status that allows them to be considered for planning (e.g., they may be completed or canceled).
  Filters Applied: There may be filters applied in the planning run that exclude all orders, such as product selection, location selection, or other criteria.
  Data Issues: There may be issues with the master data or transaction data, such as missing or incorrect entries that prevent orders from being selected.
  Planning Version: The