How To Fix BT008 - Latest start time is earlier than start time

BT008 - Overview

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 008

• Message text: Latest start time is earlier than start time

What causes this issue?

You can define a start window with the fields <LS>Start date</> and
<LS>Latest start date</>. The start date must always be before the
latest date of this window.

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?

Error message extract from SAP system. Copyright SAP SE.

BT008 - Details

• The SAP error message BT008, which states "Latest start time is earlier than start time," typically occurs in the context of project management or scheduling within SAP. This error indicates that there is a conflict in the scheduling of tasks or activities, where the latest permissible start time for a task is set earlier than its defined start time.
  
  Cause:
  
  Incorrect Scheduling: The latest start time (LST) for a task is calculated based on dependencies and constraints. If the LST is set incorrectly or if there are conflicting dependencies, this error can occur.
  Dependency Issues: If a task is dependent on another task that has not been scheduled correctly, it can lead to this error.
  Manual Input Errors: Users may manually input start and end times that conflict with the calculated latest start time.
  Changes in Project Plan: If there are changes in the project plan that affect the scheduling of tasks, it can lead