Seems your langs directory has 755 permissions and system can't create new lang file there. Change permission to correct and try to create it again. Firstly delete Italian from `LocalizationLanguages` and from `GlParams` table (parameter - 'lang_default').
Seems your langs directory has 755 permissions and system can't create new lang file there. Change permission to correct and try to create it again. Firstly delete Italian from `LocalizationLanguages` and from `GlParams` table (parameter - 'lang_default').
Regards