I don’t run Mac. Notice a tread from 2012:
/usr/bin/manpath: can't set the locale; make sure $LC_* and $LANG are correct
I have the same problem today(Leap 42.1 clients) to connect to oS13.1 and 42.1. as 2-3 weeks ago using ssh in a terminal window.
Anyway it is nice to log into my servers.