How To Fix /SAPAPO/PPO_OPT128 - End Date should not be less than the Start Date

/SAPAPO/PPO_OPT128 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PPO_OPT -

• Message number: 128

• Message text: End Date should not be less than the Start Date

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PPO_OPT128 - End Date should not be less than the Start Date ?

  The SAP error message /SAPAPO/PPO_OPT128 indicates that there is an issue with the date settings in your planning or optimization process within SAP Advanced Planning and Optimization (APO). Specifically, the error states that the "End Date should not be less than the Start Date," which means that the end date you have specified for a planning object (like a production order, planning run, or similar) is earlier than the start date.
  
  Cause:
  
  Incorrect Date Input: The most common cause is that the user has entered an end date that is earlier than the start date in the planning transaction or configuration.
  Data Entry Error: This could be due to a simple typographical error when entering dates.
  System Configuration: In some cases, the system configuration or settings may lead to incorrect date calculations or defaults.
  
  
  Solution:
  
  Check Date Inputs: Review the dates you have entered for the planning object. Ensure that the end date is indeed later