How To Fix MA587 - OTB is not calculated until the beginning of the planning horizon (&)

MA587 - Overview

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 587

• Message text: OTB is not calculated until the beginning of the planning horizon (&)

What causes this issue?

The selection period is earlier than the beginning of the planning
horizon.
The beginning of the planning horizon is defined in one of the planning
types OTB_VP oder OTB_%.
Only actual figures are displayed for the periods before the beginning
of the planning horizon.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MA587 - OTB is not calculated until the beginning of the planning horizon (&) ?

  The SAP error message MA587 indicates that the Open-to-Buy (OTB) calculation cannot be performed until the beginning of the planning horizon. This typically occurs in the context of inventory management and planning within SAP, particularly in modules related to Material Management (MM) or Sales and Operations Planning (SOP).
  
  Cause:
  
  Planning Horizon Not Defined: The planning horizon for the OTB calculation has not been set or is not correctly defined in the system.
  Data Availability: The necessary data for the OTB calculation (such as sales forecasts, inventory levels, and purchase orders) may not be available or may not be valid for the specified period.
  Incorrect Configuration: There may be configuration issues in the OTB settings or in the planning parameters that prevent the calculation from being executed.
  Time Frame Issues: The current date may be outside the defined planning horizon, meaning that the system cannot calculate OTB for periods that have not yet started.
  
  
  Solution:
  
  Check Planning Horizon: