How To Fix J2788 - Start date must be earlier or the same as the end date

J2788 - Overview

• Message type: E = Error

• Message class: J2 - Message Class for Development Class JBT

• Message number: 788

• Message text: Start date must be earlier or the same as the end date

What causes this issue?

You have entered a start date of the averaging period that is later than
the end date.

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?

Specify a new date.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

J2788 - Details

• The SAP error message J2788, which states "Start date must be earlier or the same as the end date," typically occurs in scenarios where date ranges are being validated, such as in project management, scheduling, or planning transactions. 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 that the user has mistakenly entered a start date that is after the end date.
  Data Migration Issues: If data is being imported or migrated from another system, there may be inconsistencies in the date formats or values.
  User Input Error: Users may inadvertently select the wrong dates from a date picker or input them manually incorrectly.
  
  
  Solution:
  
  Check Date Entries: Review the start and end dates you have entered. Ensure that the start date is earlier than or the same as the end date.
  Correct the Dates: If you