add Vietnamese language for chat
or switch Vietnamese language on other language and check chat again (better switch language is England)
tanchat, better use bad english than worst russian lang that doesn't make sense.
Please, write in english. That's the best chance to get help.
tanchat, You have vietnamese language for whole site, but not for new modul (chat).
In order to fix this error you need to translate english ini file to your language (i mean the language file for chat)
Any ?-ons