Issues with WinSCP PUT -delete option

@echo off
start winscp /console /script="C:\CDI\SFTP.txt" /log=SFTP.Log

option batch abort
option confirm off 
open sftp://user:password@HostName -hostkey="ssh-rsa 1024 xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:xx:x:xx:xx:xx"
lcd C:\input\
cd inbound
option transfer binary
put -delete File_20141214230801099.txt
chmod 777 File_20141214230801099.txt
close
exit

param (
    $backupPath = "D:\Backup\occ_archive\"
)
try
{
    # Load WinSCP .NET assembly
    Add-Type -Path "C:\Program Files (x86)\WinSCP\WinSCPnet.dll"
 
    # Setup session options
    $sessionOptions = New-Object WinSCP.SessionOptions -Property @{
        Protocol = [WinSCP.Protocol]::Sftp
        HostName = "tardis-sftp.pinternal.net"
        UserName = "muraai"
        SshHostKeyFingerprint = "ssh-rsa 2048 bO+fomFyD2OdtOZ6AJPQu1JRWh3LZQTpv/WPEUinLP0="
        SshPrivateKeyPath = "D:\Software\SSH-Key\occ_prod.ppk"
    }
 
    $session = New-Object WinSCP.Session
    try
    {
        $Session.SessionLogPath = "D:\Log\log2.log"
        # Connect
        $session.Open($sessionOptions)
 
        # Upload files
        $transferOptions = New-Object WinSCP.TransferOptions -Property @{
            PreserveTimestamp = $False
            ResumeSupport = New-Object WinSCP.TransferResumeSupport -Property @{ State = [WinSCP.TransferResumeSupportState]::Off }
        }
         
        $transferResult =
            $session.PutFiles("D:\OCC\XML_PROD\*.pdf", "/pinit-sftp-tardis/muraai/occ_prod/oracle_pdf/", $False, $transferOptions) 
 
        $transferResult1 =
            $session.PutFiles("D:\OCC\XML_PROD\*\", "/pinit-sftp-tardis/muraai/occ_prod/", $False, $transferOptions)
 
        # Throw on any error
        $transferResult.Check()
        $transferResult1.Check()                     
 
        # Print results
        foreach ($transfer in $transferResult.Transfers)
        {
            Write-Host "Upload of $($transfer.FileName) succeeded"
            Copy-Item $transfer.FileName $backupPath
            Write-Host "Copy of $($transfer.FileName) completed"
        }
        foreach ($transfer1 in $transferResult1.Transfers)
        {
            Write-Host "Upload of $($transfer1.FileName) succeeded"
            Remove-Item $transfer1.FileName
            Write-Host "Deletion of $($transfer1.FileName) completed"
        }
    }
    finally
    {
        # Disconnect, clean up
        $session.Dispose()
    }
 
    exit 0
}
catch
{
    Write-Host "Error: $($_.Exception.Message)"
    exit 1
}