How To Fix /SAPAPO/CTM1720 - The time period entered overlaps with an existing time period

/SAPAPO/CTM1720 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 720

• Message text: The time period entered overlaps with an existing time period

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM1720 - The time period entered overlaps with an existing time period ?

  The SAP error message /SAPAPO/CTM1720 indicates that there is a conflict with the time periods defined in the system, specifically in the context of the SAP Advanced Planning and Optimization (APO) module. This error typically occurs when you are trying to create or modify a time period (such as a planning cycle, production order, or similar) that overlaps with an existing time period already defined in the system.
  
  Cause:
  
  
  Overlapping Time Periods: The most common cause of this error is that the time period you are trying to enter overlaps with another time period that is already defined in the system. This could be due to:
  
  Incorrectly defined planning cycles.
  Overlapping production orders or planned orders.
  Conflicting time slots in the planning book.
  
  
  
  
  Configuration Issues: There may be issues with the configuration of the planning area or the time series data that lead to this conflict.
  
  
  Data Entry Errors: Mistakes in data entry, such as incorrect start