Resume Support will not turn off in Powershell Script

try
{
    # Load WinSCP .NET assembly
    Add-Type -Path "C:\WinSCP\WinSCPnet.dll"
 
    # Setup session options
    $sessionOptions = New-Object WinSCP.SessionOptions -Property @{
        Protocol = [WinSCP.Protocol]::Sftp
        HostName = "XXXXX"
        UserName = "XXXXX"
        Password = "XXXXX"
        SshHostKeyFingerprint = "XXXXX"
    }
    #setup transfer options
    $transferOptions = New-Object WinSCP.TransferOptions
    $transferOptions.ResumeSupport.State = [WinSCP.TransferResumeSupportState]::off
 
    $session = New-Object WinSCP.Session
 
    try
    {
        # Connect
        $session.Open($sessionOptions)
 
        $remotePath = "/XXXXX/XXXXX/"        
 
        foreach ($MCRline in $MCRFileList)
        {
            $MCRline = $MCRFilePath + $MCRline
            Write-Host ("Uploading {0} ..." -f $MCRline)
            $session.PutFiles($MCRline, $remotePath, $transferOptions).Check()
        }

        foreach ($MCDline in $MCDFileList)
        {
            $MCDline = $MCDFilePath + $MCDline
            Write-Host ("Uploading {0} ..." -f $MCDline)
            $session.PutFiles($MCDline, $remotePath, $transferOptions).Check()
        }

        foreach ($HAPline in $HAPFileList)
        {
            $HAPline = $HAPPrimaryFilePath + $HAPline
            Write-Host ("Uploading {0} ..." -f $HAPline)
            $session.PutFiles($HAPline, $remotePath, $transferOptions).Check()
        }

        foreach ($BCBSMline in $BCBSMFileList)
        {
            $BCBSMline = $BCBSMFilePath + $BCBSMline
            Write-Host ("Uploading {0} ..." -f $BCBSMline)
            $session.PutFiles($BCBSMline, $remotePath, $transferOptions).Check()
        }

    }

    finally
    {
        # Disconnect, clean up
        $session.Dispose()
    }
 
    #exit 0
}
catch [Exception]
{
    Write-Host ("Error: {0}" -f $_.Exception.Message)
    exit 1
}

$transferOptions.ResumeSupport.State = [WinSCP.TransferResumeSupportState]::off