Skills/mastery errors

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this is an russian private server
when I put buff always DC
what can I do?

Which server?

is it worth waiting for some kind of solution? for if not, I will not waste time on this server

Is there an English option for the server? If not then they may have replaced all the English text with Russian and in that case I can’t do anything. I’d have to download it and check it out.

I will let you know when the English version will be available, thank u