How To Fix IP631 - No maintenance plan simulation possible

IP631 - Overview

• Message type: E = Error

• Message class: IP - Messages for preventive maintenance

• Message number: 631

• Message text: No maintenance plan simulation possible

What causes this issue?

You tried to go to the maintenance plan simulation graphic within the
maintenance scheduling overview. You reached the maintenance planning
overview using the menus <LS>Change, display maintenance plan</> or
<LS>Schedule</>.

System Response

Changes to the <DS:GLOS.maintenance_plan>maintenance plan</> are not
allowed if you have called up the maintenance scheduling overview using
the above menu paths. The maintenance plan is blocked. You can only
display it.
If you use a variant that enables an immediate jump to the maintenance
plan simulation, then the system switches to the maintenance item
overview.

How to fix this error?

If you want to make changes to the status or schedule of a maintenance
plan, you have the following options:

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

Call up <LS>Change maintenance plan</> or <LS>Schedule maintenance plan
</>.
Call up the maintenance scheduling overview <ZH>directly</> and not
from another menu path.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IP631 - No maintenance plan simulation possible ?

  The SAP error message IP631: No maintenance plan simulation possible typically occurs when you attempt to simulate a maintenance plan in the SAP system, but the system is unable to perform the simulation due to certain conditions not being met. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Missing or Incomplete Data: The maintenance plan may not have all the required data filled in, such as the maintenance items, scheduling parameters, or task lists.
  Incorrect Status: The maintenance plan might be in a status that does not allow for simulation (e.g., it may be inactive).
  No Valid Maintenance Items: The maintenance plan may not have any valid maintenance items associated with it.
  Scheduling Parameters: The scheduling parameters may not be set correctly, leading to an inability to calculate the next maintenance date.
  Calendar Issues: If the factory calendar or holiday calendar is not set up correctly, it can affect the scheduling