How To Fix IM518 - Activity start is after desired notification end

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 518

• Message text: Activity start is after desired notification end

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 activity and the notification, because it makes sense for the
start of the activity to fall before or at the same time as the
notification. The system will continue processing, even if you keep the
date entries as they are now.

How to fix this error?

Check whether you do want to change the planned start date of the
activity or the planned end 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 IM518 - Activity start is after desired notification end ?

  The SAP error message IM518 ("Activity start is after desired notification end") typically occurs in the context of maintenance notifications or work orders in the SAP Plant Maintenance (PM) module. This error indicates that the start date/time of a maintenance activity is set to occur after the end date/time of the associated notification, which is not allowed.
  Cause:
  
  Date/Time Configuration: The start date/time of the activity is incorrectly set to a time that is later than the end date/time of the notification.
  Data Entry Error: During the creation or modification of the maintenance activity, the user may have entered the dates incorrectly.
  System Configuration: There may be issues with how the system is configured to handle date and time for notifications and activities.
  
  Solution:
  
  Check Dates: Review the start and end dates/times of both the notification and the activity. Ensure that the start date/time of the activity is before the end date/time of the notification.
  Modify Activity Dates: If the activity's start date/time is incorrect, modify it to ensure it falls within the range of the notification's start and end dates/times.
  Adjust Notification Dates: If necessary, you can also adjust the notification's end date/time to accommodate the activity's start date/time, but this should be done with caution and in accordance with business processes.
  Validation: After making changes, validate the entries to ensure that they comply with the required date/time constraints.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like IW21 (Create Notification), IW22 (Change Notification), IW23 (Display Notification), and IW31 (Create Order) to manage notifications and activities.
  User Roles: Ensure that the user has the appropriate permissions to modify notifications and activities.
  Documentation: Refer to SAP documentation or your organization's SAP guidelines for best practices in managing maintenance notifications and activities.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or bugs related to this error message.
  
  If the problem persists after checking and correcting the dates, it may be beneficial to consult with your SAP support team or refer to SAP's support resources for further assistance.