How To Fix WRF_APC844 - None of the active key figures of PL &1 identifies the assortment ratios

WRF_APC844 - Overview

• Message type: E = Error

• Message class: WRF_APC - Messages for Operational Assortment Planning and Control

• Message number: 844

• Message text: None of the active key figures of PL &1 identifies the assortment ratios

Self-Explanatory Message

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• What is the cause and solution for SAP error message WRF_APC844 - None of the active key figures of PL &1 identifies the assortment ratios ?

  SAP Error Message:
  WRF_APC844 – None of the active key figures of PL &1 identifies the assortment ratios
  
  Cause
  This error occurs in SAP Advanced Planning and Optimization (APO), specifically in the Production Planning and Detailed Scheduling (PP/DS) or Demand Planning (DP) modules, when the system tries to determine assortment ratios for a product (or product location) but cannot find any active key figure in the planning layout (PL) that is defined as an assortment ratio.
  In other words:
  The planning layout (PL) used in the planning book does not contain any key figure that is marked or configured as an assortment ratio key figure. Assortment ratios are used to split or distribute demand or supply quantities across product variants or locations, and the system requires at least one key figure to be flagged for this purpose.
  
  When does it occur?
  
  During demand planning or supply planning runs where assortment ratios are needed.
  When the planning book or