How To Fix /SAPAPO/CTM1217 - Horizon not valid; change the specified dates

/SAPAPO/CTM1217 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 217

• Message text: Horizon not valid; change the specified dates

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM1217 - Horizon not valid; change the specified dates ?

  The SAP error message /SAPAPO/CTM1217 Horizon not valid; change the specified dates typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when working with the Capable-to-Match (CTM) planning function. This error indicates that the planning horizon specified for the CTM run is not valid, which can happen for several reasons.
  Causes:
  
  Invalid Planning Horizon: The planning horizon defined in the CTM profile may not align with the dates specified in the planning run. This can occur if the start or end dates of the planning horizon are set incorrectly.
  
  Configuration Issues: The configuration settings for the CTM profile may not be set up correctly, leading to mismatches in the expected planning horizon.
  Master Data Issues: There may be issues with the master data (e.g., product, location, or resource) that affect the planning horizon.
  Time Periods: The time periods defined in the planning book or the data view may not match the