xScheduledTask - Throws an error if no ScheduleType is specified.

Hi there. I'm attempting to create a scheduled task that will be called by another process. The scheduled task is not to have an actual schedule for it. When creating the scheduled task with DSC, I get the following error if no ScheduleType is specified. However, if the ScheduleType is set, it creates the task just fine:

PowerShell Desired State Configuration does not support execution of commands in an interactive mode. Please ensure that the 
underlying command is not prompting for user input, such as missing mandatory parameter, confirmation prompt etc.
    + CategoryInfo          : OperationStopped: (:) [], CimException
    + FullyQualifiedErrorId : System.NotSupportedException
    + PSComputerName        : localhost
 
Cannot validate argument on parameter 'ErrorRecord'. The argument is null. Provide a valid value for the argument, and then try 
running the command again.
    + CategoryInfo          : InvalidData: (:) [], CimException
    + FullyQualifiedErrorId : ParameterArgumentValidationError,New-InvalidOperationException
    + PSComputerName        : localhost

Resource Config

        xScheduledTask TaskName
        {
            TaskName = "TaskName"
            ActionArguments = "-nolog -command cmdkey /generic:TERMSRV/localhost /user:$($User.UserName) /pass:$($User.GetNetworkCredential().Password); mstsc /v:localhost:3389"
            ActionExecutable = 'c:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe'
            Description = ("Enable RDP for user " + UserName)
            Enable = $true
            Ensure = 'Present'
            ExecuteAsCredential = $UserAdmin
            LogonType = 'Interactive'
            TaskPath = 'CustomTasks'
            User = $UserAdmin.UserName


        }

Server 2012 R2 Datacenter - PSVersion 5.1.14409.1005

Import-DscResource -ModuleName xComputerManagement -ModuleVersion '4.0.0.0'

Start with the xScheduledTask resource implementation and trace how an omitted ScheduleType is handled when applying the provided DSC configuration. Reproduce the failure on the stated PowerShell and Windows Server versions, then verify that a task without an actual schedule can be created without the reported validation errors.