How To Fix /SAPAPO/PP_OPTIMIZER020 - Product &1: Only valid outside of the planning horizon

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PP_OPTIMIZER -

• Message number: 020

• Message text: Product &1: Only valid outside of the planning horizon

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PP_OPTIMIZER020 - Product &1: Only valid outside of the planning horizon ?

  The SAP error message /SAPAPO/PP_OPTIMIZER020 indicates that a specific product is being referenced in a planning operation, but it is only valid outside of the defined planning horizon. This typically occurs in the context of Advanced Planning and Optimization (APO) within SAP, particularly when using the PP/DS (Production Planning and Detailed Scheduling) optimizer.
  
  Cause:
  
  Planning Horizon Configuration: The planning horizon is the time frame within which planning activities are considered. If a product is set up to be valid only outside this horizon, any attempt to plan or schedule it within the defined time frame will trigger this error.
  Product Master Data: The product may have specific settings in its master data that restrict its availability for planning within the defined horizon.
  Planning Version: The planning version being used may not include the product for the specified time frame.
  Time Period Settings: The time periods defined in the planning book or the planning area may