How To Fix /SAPAPO/PMON026 - Time interval invalid (Start date later than end date)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PMON -

• Message number: 026

• Message text: Time interval invalid (Start date later than end date)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PMON026 - Time interval invalid (Start date later than end date) ?

  The SAP error message /SAPAPO/PMON026 Time interval invalid (Start date later than end date) typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user attempts to execute a planning function or transaction that involves a time interval where the start date is set later than the end date. This is a logical error, as a time interval cannot be valid if the start date is after the end date.
  Cause:
  
  Incorrect Date Input: The most common cause is that the user has mistakenly entered the start date and end date in the wrong order.
  System Configuration: There may be issues with the configuration of the planning area or the data model that lead to incorrect date handling.
  Data Entry Errors: Manual data entry errors can lead to incorrect date values being inputted.
  User Defaults: Sometimes, user-specific settings or defaults may lead to incorrect date values being populated.
  
  Solution:
  
  Check Date Inputs: Review the start and end dates you have entered. Ensure that the start date is earlier than the end date.
  Correct the Order: If you find that the dates are in the wrong order, correct them accordingly.
  Validation: Implement validation checks in your input forms to prevent users from entering invalid date ranges.
  Review Configuration: If the issue persists, review the configuration of the planning area and ensure that there are no settings that could be causing this issue.
  Consult Documentation: Refer to SAP documentation or help resources for any specific guidelines related to date handling in the context of the transaction you are using.
  User Training: Provide training to users on how to correctly input date ranges to avoid this error in the future.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with the transaction codes involved in the planning process to better understand where the error might be occurring.
  APO Documentation: Review the SAP APO documentation for best practices in managing time intervals and date inputs.
  Support: If the issue cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the error and ensure that your date inputs are valid for the planning functions you are trying to execute.