Error Listing Directories starting with numbers

try
{
   $sessionUrl = "ftp://dadsa:dasd@Sdad1.syx:123/"
   $remotePath = "/test/"
   $localPath = "E:\test"
   $lastTimestamp = $Null
   $timestampFile = "E:\timestamp.txt"
    # WINSCP DLL
    $assemblyPath = if ($env:WINSCP_PATH) { $env:WINSCP_PATH } else { $PSScriptRoot }
    Add-Type -Path (Join-Path $assemblyPath "WinSCPnet.dll")
 
    # FTP Session
    $sessionOptions = New-Object WinSCP.SessionOptions
    $sessionOptions.ParseUrl($sessionUrl)
   
 
    $session = New-Object WinSCP.Session
   $sessionOptions.FtpMode = [WinSCP.FtpMode]::passive
   $session.Open($sessionOptions)
    
    try
    {
   if (Test-Path $timestampFile)
   {
      $lastTimestamp = [DateTime]::ParseExact((Get-Content $timestampFile), 'O', $Null)
   }
   else
   {
      $lastTimestamp = $Null
   }

    $transferOptions = New-Object WinSCP.TransferOptions
 
    if ($lastTimestamp -ne $Null) 
    {
        Write-Host "Downloading files modified after $lastTimestamp..."
        $transferOptions.FileMask = ("*>" + $lastTimestamp.ToString("yyyy-MM-dd HH:mm:ss"))
    }
    else
    {
        Write-Host "Downloading all files..."
    }
 
    $transferResult = $session.GetFiles($remotePath, $localPath, $False, $transferOptions)
    $transferResult.Check()
 
    # Find the latest downloaded file
    $latestTransfer =
        $transferResult.Transfers |
        Sort-Object -Property @{ Expression = { (Get-Item $_.Destination).LastWriteTime } } `
                    -Descending |
        Select-Object -First 1
 
    if ($latestTransfer -eq $Null)
    {
        Write-Host "No files found."
    }
    else
    {
        $lastTimestamp = (Get-Item $latestTransfer.Destination).LastWriteTime
        Write-Host (
            "Downloaded $($transferResult.Transfers.Count) files, " +
            "latest being $($latestTransfer.FileName) with timestamp $lastTimestamp.")
    }
 
    Write-Host "Waiting..."
    Start-Sleep -Seconds 5
   Set-Content -Path $timestampFile -Value $lastTimestamp.ToString("O")
   }
    finally
    {
        # Disconnect, clean up
        $session.Dispose()
    }
 
    $result = 0
}
catch
{
    Write-Host "Error: $($_.Exception.Message)"
    $result = 1
}
 
# Pause if -pause switch was used
if ($pause)
{
    Write-Host "Press any key to exit..."
    [System.Console]::ReadKey() | Out-Null
}
 
exit $result