I think there'sa queue for multiple pgn downloads. It'll arrive some time. 
Download all games to PGN file not working
OK. I have requests waiting for several days now. Only first one came thru in few minutes. did my requests get stuck because i made so many of them (~10)?
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i tried several times, the system says my PGN file will be emailed to me, but i do not get any email. Can you help?