Multilingual blog

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Hello guys.
i am creating Multilingual site in concrete5. Everything on the site working fine.i want to display my blog in Russian language.when i open the page in Russian language facing this error "DateTime::__construct(): Failed to parse time string (15 февр. 2016 г., 21:34) at position 0 (1): Unexpected character",(see the attachment). Any idea how to fix this?

Thanks in Advance.

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