How To Fix /PM0/ABP_PREM_MSG021 - Main due date cannot be a leap day

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABP_PREM_MSG -

• Message number: 021

• Message text: Main due date cannot be a leap day

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABP_PREM_MSG021 - Main due date cannot be a leap day ?

  The SAP error message /PM0/ABP_PREM_MSG021 indicating that "Main due date cannot be a leap day" typically arises in the context of project management or maintenance planning within SAP. This error occurs when a due date is set to February 29 (a leap day), which is not valid for certain scheduling or planning scenarios in SAP.
  Cause:
  
  Leap Year Issue: The error is triggered when a date is set to February 29 in a non-leap year or when the system does not support leap days for certain operations.
  Business Logic: Some business processes or configurations in SAP may not allow for leap days due to specific rules or constraints set by the organization.
  Date Validation: The system has built-in validations that prevent the use of leap days in certain fields or scenarios.
  
  Solution:
  
  Change the Due Date: Modify the due date to a valid date that is not February 29. You can choose February 28 or March 1, depending on your scheduling needs.
  Check Configuration: Review the configuration settings in your SAP system to see if there are any specific rules or settings that restrict the use of leap days. Adjust these settings if necessary and if it aligns with your business requirements.
  Consult Documentation: Refer to SAP documentation or help resources for any specific guidelines related to date handling in your version of SAP.
  Contact Support: If the issue persists or if you believe it is a system error, consider reaching out to SAP support or your internal IT team for further assistance.
  
  Related Information:
  
  Leap Year Calculation: Leap years occur every four years, but there are exceptions (e.g., years divisible by 100 are not leap years unless they are also divisible by 400).
  SAP Notes: Check for any SAP Notes related to date handling or specific error messages that may provide additional context or solutions.
  Testing: If you are developing or testing in a sandbox environment, ensure that your test cases account for leap years and validate the behavior of the system accordingly.
  
  By addressing the due date and ensuring compliance with the system's requirements, you should be able to resolve the error message effectively.