How To Fix /SAPAPO/INBND018 - Calculated start date of DRP planning horizon is larger than the end date

/SAPAPO/INBND018 - Overview

• Message type: E = Error

• Message class: /SAPAPO/INBND -

• Message number: 018

• Message text: Calculated start date of DRP planning horizon is larger than the end date

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/INBND018 - Calculated start date of DRP planning horizon is larger than the end date ?

  The SAP error message /SAPAPO/INBND018 indicates that the calculated start date of the Distribution Requirements Planning (DRP) planning horizon is larger than the end date. This typically occurs in the context of planning and scheduling within SAP Advanced Planning and Optimization (APO) when the configuration of the planning horizon is not set correctly.
  
  Cause:
  
  Incorrect Planning Horizon Configuration: The planning horizon may be set incorrectly in the system, leading to a situation where the start date is after the end date.
  Master Data Issues: There may be issues with the master data, such as incorrect lead times or planning parameters that affect the calculation of the planning horizon.
  Time Period Settings: The time periods defined for planning (like the start and end dates) may not align properly, causing the system to calculate an invalid range.
  Changes in Calendar Settings: If there have been recent changes to the calendar settings or holidays, it may affect the