Networking service file is missing

[paring-chan]

I want to host the server but I can't get the server file

[niksedk]

See https://www.nikse.dk/subtitleedit/help#networking
Download link: https://www.nikse.dk/assets/SubtitleEdit/SeNetworkingService.zip

[paring-chan]

I already tried running that one but the client throws NullReferenceException (I ran it with mono xsp)
so I thought it's not latest server