How To Fix IM512 - Planned task end is before desired notification start

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 512

• Message text: Planned task end is before desired notification start

What causes this issue?

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

System Response

The system informs you of any discrepancies between the planned dates
for the task and tre notification, because it makes sense for the end
of the task to fall before or at the same time as the end of them
notification. The system continues processing, even if you keep the
date entries the way they are now.

How to fix this error?

Check whether you do want to change the planned end date of the task or
the planned start date of the notification and overtype the date if
necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IM512 - Planned task end is before desired notification start ?

  The SAP error message IM512 ("Planned task end is before desired notification start") typically occurs in the context of maintenance planning and scheduling within the SAP system, particularly in the Plant Maintenance (PM) module. This error indicates that there is a conflict between the planned end date of a maintenance task and the desired start date of a related notification.
  Cause:
  The error arises when:
  
  The planned end date of a maintenance task (such as a work order or maintenance plan) is set to a date that is earlier than the desired start date of a notification that is linked to that task.
  This can happen due to incorrect date entries, scheduling conflicts, or changes in maintenance planning that have not been properly updated in the system.
  
  Solution:
  To resolve the IM512 error, you can take the following steps:
  
  
  Check Dates: Review the planned task and the associated notification dates. Ensure that the planned end date of the task is later than the desired start date of the notification.
  
  
  Adjust Dates: If the planned end date is indeed before the desired start date, you will need to adjust the dates accordingly:
  
  Update the planned end date of the task to a date that is after the desired start date of the notification.
  Alternatively, if the notification's desired start date is incorrect, you can adjust it to a date that is before the planned end date of the task.
  
  
  
  Review Dependencies: Check for any dependencies or constraints that might be affecting the scheduling of tasks and notifications. Ensure that all related tasks and notifications are aligned in terms of their scheduling.
  
  
  Re-schedule Tasks: If necessary, re-schedule the maintenance tasks or notifications to ensure that they fit within the overall maintenance plan.
  
  
  Consult Documentation: If you are unsure about how to make these changes, refer to SAP documentation or consult with your SAP support team for guidance on proper scheduling practices.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like IW31 (Create Order), IW32 (Change Order), or IP10 (Schedule Maintenance Plan) to manage maintenance tasks and notifications.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message or provide additional guidance.
  User Roles: Ensure that you have the necessary permissions to make changes to maintenance tasks and notifications in the SAP system.
  
  By following these steps, you should be able to resolve the IM512 error and ensure that your maintenance planning is correctly aligned.