How To Fix /PLMB/BA_ACE251 - End of date/time is before start of date/time

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_ACE -

• Message number: 251

• Message text: End of date/time is before start of date/time

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_ACE251 - End of date/time is before start of date/time ?

  The SAP error message /PLMB/BA_ACE251 indicating "End of date/time is before start of date/time" typically occurs in scenarios where a date or time range is being defined, and the end date/time is set to a value that is earlier than the start date/time. This can happen in various contexts, such as planning, scheduling, or data entry.
  Cause:
  
  Incorrect Date/Time Input: The most common cause is that the user has mistakenly entered the end date/time as being earlier than the start date/time.
  Data Entry Errors: Manual data entry errors can lead to this issue, especially if the dates are entered in a non-standard format or if there is confusion between AM/PM or 24-hour formats.
  System Configuration: In some cases, system settings or configurations may lead to unexpected behavior in date/time handling.
  
  Solution:
  
  Check Input Values: Review the date and time values you have entered. Ensure that the end date/time is indeed later than the start date/time.
  Correct Format: Make sure that the date/time format is consistent with the expected format in SAP. This includes checking for the correct use of separators (e.g., slashes, dashes) and ensuring that the values are valid.
  Validation Logic: If you are using a custom program or transaction, ensure that there is proper validation logic in place to prevent users from entering an end date/time that is before the start date/time.
  User Training: If this error is common among users, consider providing training or documentation to help them understand how to correctly enter date/time values.
  
  Related Information:
  
  Transaction Codes: Depending on where you encounter this error, you may be using specific transaction codes related to planning, scheduling, or data entry. Familiarize yourself with the relevant transactions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, there may be updates or fixes provided by SAP.
  Debugging: If you are a developer or have access to technical support, consider debugging the program or transaction to identify where the date/time values are being processed and validate the logic.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further assistance.