https://bugs.winehq.org/show_bug.cgi?id=57492
--- Comment #3 from joejoetv@joejoetv.de --- (In reply to Hans Leidekker from comment #1)
Thanks. Can you attach a WINEDEBUG=+bcrypt log?
Sure, I've attached the output that was created when running the dedicated server with the wine option and letting a player try to join, which causes the error to be printed.