How To Fix DIWP1147 - End date is before start date

DIWP1147 - Overview

• Message type: E = Error

• Message class: DIWP1 - Revision Planning

• Message number: 147

• Message text: End date is before start date

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.

DIWP1147 - Details

• The SAP error message DIWP1147, which states "End date is before start date," typically occurs in scenarios where a date range is being defined, such as in project planning, scheduling, or resource allocation. This error indicates that the end date specified for a task, project, or activity is earlier than the start date, which is logically incorrect.
  
  Cause:
  
  Incorrect Date Entry: The most common cause is simply entering the dates incorrectly, either by mistyping or misunderstanding the date format.
  System Configuration: In some cases, the system configuration or settings may lead to incorrect date calculations or defaults.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  User Error: Users may not be aware of the correct sequence of dates, especially if they are new to the system or the process.
  
  
  Solution:
  
  Check Date Entries: Review the start and end dates entered in the relevant fields. Ensure