How To Fix WL866 - Requested start & & is later than latest start & &

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 866

• Message text: Requested start & & is later than latest start & &

What causes this issue?

The requested start is later than the latest start specified.

System Response

The action was terminated.

How to fix this error?

Enter a latest start date/time which is later than the start date/time
you have requested. The following conditions apply:
The requested start must be before the requested end
The latest start must be before the latest end
The requested start must be before the latest start
The requested end must be before the latest end
However, it is not necessary that ALL 'starts' are earlier than ALL
'ends'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WL866 - Requested start & & is later than latest start & & ?

  The SAP error message WL866 indicates that there is a scheduling issue in the context of work scheduling or project management. Specifically, it means that the requested start date for a task or activity is later than the latest start date that has been determined for that task. This can occur in various SAP modules, such as SAP Project System (PS) or SAP Production Planning (PP).
  Cause:
  
  Incorrect Dates: The requested start date may have been entered incorrectly, or there may be a misunderstanding of the scheduling logic.
  Dependencies: There may be dependencies or constraints that have been set up in the project or production order that restrict the start date.
  Resource Availability: The resources required for the task may not be available, leading to a later start date being calculated.
  Scheduling Parameters: The scheduling parameters or settings in the system may not be configured correctly, leading to discrepancies in the calculated dates.
  
  Solution:
  
  Check Dates: Verify the requested start date and ensure it is correct. Compare it with the latest start date calculated by the system.
  Review Dependencies: Look at the dependencies and constraints associated with the task. Ensure that they are set up correctly and that there are no conflicting constraints.
  Adjust Scheduling Parameters: If necessary, adjust the scheduling parameters in the project or production order to allow for the requested start date.
  Resource Planning: Ensure that the required resources are available for the task. If not, consider rescheduling or reallocating resources.
  Recalculate Dates: Use the scheduling functions in SAP to recalculate the dates for the task or project. This can often resolve discrepancies.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CJ20N (Project Builder) or CO02 (Change Production Order) to access and modify the relevant project or order details.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to scheduling and this error message.
  Documentation: Review SAP documentation related to project scheduling and production planning for best practices and guidelines on managing dates and dependencies.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.