The file had an error on line 132. You can't use a "#|" comment before other comments.
Sorry, I use msgfmt (GNU gettext-tools) 0.15 and it did not detect anything wrong.
So far, there has been no answer to this request....the end of the call for translation updates is coming.
If it is not too late yet..
ru.po.gz
Description: GNU Zip compressed data
