Incompatible external console protocol version 9

param (
    $localPath = "C:\Backups",
    $remotePath = "/export"
)
try
{
    # Load WinSCP .NET assembly
    Add-Type -Path "C:\Program Files\Zammad-Backup-Downloader\WinSCPnet.dll"
    # Setup session options
    $sessionOptions = New-Object WinSCP.SessionOptions -Property @{
        Protocol = [WinSCP.Protocol]::Sftp
        HostName = "here.there.com"
        UserName = "abcdefgh"
        SshHostKeyFingerprint = "ssh-ed25519 255 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" (is changed)
        SshPrivateKeyPath = "C:\SSH\private.ppk"
    }
    $session = New-Object WinSCP.Session
    try
    {
        # Connect
        $session.Open($sessionOptions)
        # Get list of files in the directory
        $directoryInfo = $session.ListDirectory($remotePath)
        # Select the most recent file
        $latest =
            $directoryInfo.Files |
            Where-Object { -Not $_.IsDirectory } |
            Sort-Object LastWriteTime -Descending |
            Select-Object -First 1
        # Any file at all?
        if ($latest -eq $Null)
        {
            Write-Host "No file found"
            exit 1
        }
        # Download the selected file
        $session.GetFileToDirectory($latest.FullName, $localPath) | Out-Null
    }
    finally
    {
        # Disconnect, clean up
        $session.Dispose()
    }
    exit 0
}
catch
{
    Write-Host "Error: $($_.Exception.Message)"
    exit 1
}