Check-in Resource Plans (Project Server 2010)
You can force the check-in of an enterprise resource plan that is checked out. Note that forcing a check-in of a resource plan that is being modified by a user may result in the loss of those changes.
Use the following procedure to check in resource plans.
To check in resource plans
On the Server Settings page, click Force Check-in Enterprise Objects.
From the Select the type of object you want to force check-in drop-down list, select Resource Plans.
Select the resource plans that you want to check in.
Click Check In.