SFTP script error

* 2022-10-31 10:56:32.730 **Timeout waiting for server to respond.**
. 2022-10-31 10:56:32.730 Closing connection.
< 2022-10-31 10:56:32.730 Script: Timeout waiting for server to respond.
-------------------------------------------------------------------------
< 2022-10-31 11:10:19.280 Script: Host is not communicating for more than 15 seconds.
< 2022-10-31 11:10:19.280 Still waiting...
< 2022-10-31 11:10:19.280 Note: If the problem repeats, try turning off 'Optimize connection buffer size'.
< 2022-10-31 11:10:19.280 Warning: Aborting this operation will close connection!
. 2022-10-31 11:10:22.421 Data has arrived, closing query to user.
. 2022-10-31 11:10:22.421 Answer: OK
. 2022-10-31 11:10:22.421 Network error: Software caused connection abort
< 2022-10-31 11:10:22.421 Script: Network error: Software caused connection abort
< 2022-10-31 11:10:22.421 Cannot initialize SFTP protocol. Is the host running an SFTP server?
-------------------------------------------------------------------------------
. 2022-10-31 11:50:18.898 Wait for another 15 seconds?** ()
< 2022-10-31 11:50:18.898 Script: Host is not communicating for more than 15 seconds.
< 2022-10-31 11:50:18.898 Still waiting...
< 2022-10-31 11:50:18.898 Note: If the problem repeats, try turning off 'Optimize connection buffer size'.
< 2022-10-31 11:50:18.898 Warning: Aborting this operation will close connection!
. 2022-10-31 11:51:33.319 Answer: No
. 2022-10-31 11:51:33.319 Attempt to close connection due to fatal exception:
* 2022-10-31 11:51:33.319 **Timeout waiting for server to respond.**
. 2022-10-31 11:51:33.319 Closing connection.
< 2022-10-31 11:51:33.319 Script: Timeout waiting for server to respond.
< 2022-10-31 11:51:33.319 Authentication log (see session log for details):
< 2022-10-31 11:51:33.319 Using username "paukstynas.sftp".
< 2022-10-31 11:51:33.319 
< 2022-10-31 11:51:33.319 Authentication failed.

open username:password@sftpserver -hostkey=""

# Load WinSCP .NET assembly
Add-Type -Path 'C:\Program Files (x86)\WinSCP\WinSCPnet.dll'
 
# Set up session options
$sessionOptions = New-Object WinSCP.SessionOptions -Property @{
    Protocol = [WinSCP.Protocol]::Sftp
    HostName = ""
    UserName = ""
    Password = ""
    SshHostKeyFingerprint = ""
    TimeoutInMilliseconds = 60000
}
 
$sessionOptions.AddRawSettings("SendBuf", "0")
$sessionOptions.AddRawSettings("SshSimple", "0")
 
$session = New-Object WinSCP.Session
 
try
{
    $session.SessionLogPath = "C:\BatchFiles\Logs\EJLog_$dateString.log"
    # Connect
    $session.Open($sessionOptions)
 
    # Upload files
    $transferOptions = New-Object WinSCP.TransferOptions
    $transferOptions.TransferMode = [WinSCP.TransferMode]::Binary
    $transferOptions.FilePermissions = $Null # This is default
    $transferOptions.PreserveTimestamp = $False
    $transferOptions.ResumeSupport.State = [WinSCP.TransferResumeSupportState]::Off
    $transferOptions.AddRawSettings("BufferSize", "000000") # Set buffer size to 100 KB
    $transferOptions.AddRawSettings("Timeout", "120000") # Set timeout to 60 seconds
    $transferOptions.AddRawSettings("ErrorHandling", "2") # Ignore permission errors
 
    $transferResult = $session.PutFiles("$journal", "$remotedestination", $False, $transferOptions)
 
    # Throw on any error
    $transferResult.Check()
 
    foreach ($transfer in $transferResult.Transfers) {
        Write-Host "Upload of $($transfer.FileName) succeeded"
    }
 
    # Your code
}
finally
{
    $session.Dispose()
}