Hey Sir!
limited summon scrolls x7 days,wont work!
you need to do a one that is not limited to claim it.

http://forum.naruto.oasgames.com/en/data/attachment/forum/201612/11/014349f1oqplgypttgtgoq.png
as you can in the pic,the x10 had been open but the x20 did not,why? cuz the x10 u claim have limit time and the event needs the ones with no limit time! hope i have been helpfull.