It started working for me after opening the dmmgames.com frame in a new tab. I got the link for that from the blockable items in adblock plus(in firefox).
But then my rolls were abysmal. The jewel roll gave me 1 non-kamihime SR weapon, 1 R kamihime and other R junk. The SR ticket was an SR eidolon and the premium one was R.
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Could be related to settings for cookies from third-party sites.