1st: to be fine with ur rules, u let the players to create accounts on any server
u can find it in there: https://forum.thesettlersonline.com/...ty-Test-Server
2nd: Can I write in english plix?
3rd: and the last one, It will be long..
Probably you know, that, probably, 80 percent of, probably, your players, probably, are playing, probably, with the probably russian (small letter is, probably, inflectional xd) client, probably.
So, the question is, can You just buy the license again, until you will fix Unity client, and let us play on licenced Flash until then, or let the russians change ur game into the spying and attack network.