PHP nuke platinum

lep pozdrav ravnikar sm si dal na server php nuke platinum 7.6.0 ... prej sm imel php nuke 7.5
in sedaj se pojavlja kar nekaj errorov na admin site-u (navadn php nuke je delov brez teh errorov)

ze samo ko odprem admin.php mi napise tole pa ceprav imam u settingsu language na english

Warning: get_lang(admin/language/lang-slovenian.php): failed to open stream: No such file or directory in /var/www/htdocs/mainfile.php on line 244

Warning: get_lang(): Failed opening 'admin/language/lang-slovenian.php' for inclusion (include_path='.:/usr/local/lib/php') in /var/www/htdocs/mainfile.php on line 244


ko pa grem na nastavitve in hocem shrant zadeve k sm jih upisou pa dobim cel kup napak in se stran ne nalozi vec

Warning: get_lang(admin/language/lang-slovenian.php): failed to open stream: No such file or directory in /var/www/htdocs/mainfile.php on line 244
itd ... povsod pa je problem ta lang-slovenian.php

stran mislim da je nalozena kot mora bit ... sql bazo sm naredil v phpMyAdmin in sm tudi poloadov file platinu.sql tako da je bazo naredil celotno ... zakaj pa se pojavlja ta problem se mi pa tudi sana ne