How To Fix IP401 - Maintenance plan &1: Predecessor (call number &2) still on hold

SAP Error Message - Details

• Message type: E = Error

• Message class: IP - Messages for preventive maintenance

• Message number: 401

• Message text: Maintenance plan &1: Predecessor (call number &2) still on hold

What causes this issue?

You have tried to process a <GL:maintenance_call>maintenance call</>
although there are maintenance calls due on earlier dates that are
still on hold.

System Response

INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE EN

How to fix this error?

If you want to process the maintenance call selected, you must first
release the earlier calls or mark them as skipped.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IP401 - Maintenance plan &1: Predecessor (call number &2) still on hold ?

  The SAP error message IP401 indicates that a maintenance plan is on hold due to a predecessor task that has not been completed or is still in a "hold" status. This can occur in the context of maintenance planning and scheduling within the SAP system, particularly in the Plant Maintenance (PM) module.
  Cause:
  
  Predecessor Task on Hold: The predecessor task (identified by the call number) is still on hold, which prevents the maintenance plan from being executed.
  Incomplete Tasks: There may be tasks that need to be completed before the current maintenance plan can proceed.
  Scheduling Issues: The maintenance plan may be scheduled to start only after the predecessor task is completed, and if that task is on hold, it will block the current plan.
  
  Solution:
  
  
  Check Predecessor Task: 
  
  Navigate to the predecessor task using the call number provided in the error message.
  Review the status of the predecessor task to determine why it is on hold.
  
  
  
  Complete or Release the Predecessor Task:
  
  If the predecessor task is on hold due to pending actions, complete those actions to release it.
  If the task is intentionally on hold, consider whether it can be released or if the maintenance plan needs to be adjusted accordingly.
  
  
  
  Adjust Maintenance Plan:
  
  If the predecessor task cannot be completed or released, you may need to adjust the maintenance plan to either remove the dependency or reschedule it.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or consult with your SAP support team for specific procedures related to handling maintenance plans and predecessor tasks.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like IP10 (Change Maintenance Plan) or IP41 (Display Maintenance Plan) to manage maintenance plans.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to maintenance plans and predecessor tasks.
  User Roles: Ensure that you have the necessary authorizations to modify maintenance plans and tasks in the SAP system.
  
  By following these steps, you should be able to resolve the IP401 error and proceed with your maintenance planning activities.