How To Fix SI009 - Start date is after end date

SI009 - Overview

• Message type: E = Error

• Message class: SI - Implementation Guide - Status control

• Message number: 009

• Message text: Start date is after end date

What causes this issue?

The date specified is incorrect. The date specified for the end of an
activity is before its start.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Change the date so that the start is before the end.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SI009 - Start date is after end date ?

  The SAP error message "SI009 Start date is after end date" typically occurs in the context of scheduling or planning activities within SAP, such as in project management, production planning, or other modules where date ranges are specified. This error indicates that the start date you have entered is later than the end date, which is logically incorrect.
  
  Cause:
  
  Incorrect Date Entry: The most common cause is simply entering the dates incorrectly. For example, you might have accidentally swapped the start and end dates.
  System Configuration: In some cases, the system configuration or settings might enforce certain date constraints that lead to this error.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  User Input Error: Users may not be aware of the correct date format or may misinterpret the fields.
  
  
  Solution:
  
  Check Date Entries: Review the start and end dates you have entered. Ensure that