locale settings

A minor. Downloaded late December live KDE after installation and dup yesterday I still get … Failed to set locale. Fix your system. One implication.is that I can’t open pdf files when the path contains Ö

locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory LANG=smj_SE.UTF-8 LC_CTYPE=“smj_SE.UTF-8” LC_NUMERIC=“smj_SE.UTF-8” LC_TIME=“smj_SE.UTF-8” LC_COLLATE=“smj_SE.UTF-8” LC_MONETARY=“smj_SE.UTF-8” LC_MESSAGES=“smj_SE.UTF-8” LC_PAPER=“smj_SE.UTF-8” LC_NAME=“smj_SE.UTF-8” LC_ADDRESS=“smj_SE.UTF-8” LC_TELEPHONE=“smj_SE.UTF-8” LC_MEASUREMENT=“smj_SE.UTF-8” LC_IDENTIFICATION=“smj_SE.UTF-8” LC_ALL=