Its your locales settings you haven’t done the basics with tzdata and locales.
The image is less than ubuntu-minimal but if you apt-get install ubuntu-minimal it will prompt for locales, tz and keyboard and also stop those errors.
Ubuntu desktop 2 logins needed
1 Like
Thanks, I’ll try next week. Have a nice weekend.
Dear cevap,
really really appreciate your help … As I remember, this issue occurred just after installing mate desktop.