How To Fix WU389 - Finishing date before starting date. Is the date next year?

WU389 - Overview

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 389

• Message text: Finishing date before starting date. Is the date next year?

What causes this issue?

You have entered a date which is prior to the starting date.

How to fix this error?

If the end date is next year, your entry is correct. If not, correct
the date.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU389 - Finishing date before starting date. Is the date next year? ?

  The SAP error message WU389, which states "Finishing date before starting date," typically occurs in the context of scheduling or planning activities within SAP, such as in production orders, project management, or maintenance planning. This error indicates that the end date of a task or activity is set to a date that is earlier than its start date, which is logically incorrect.
  Causes:
  
  Incorrect Date Entry: The most common cause is simply entering the dates incorrectly. For example, the finishing date might have been mistakenly set to a date in the past or before the starting date.
  Date Format Issues: Sometimes, the date format might be misinterpreted, especially if the system is set to a different locale or if the user is entering dates in a non-standard format.
  Year Misunderstanding: If the finishing date is set to the next year but is still earlier than the starting date, it could lead to this error.