Talk:Summer 2015 Event/@comment-26877176-20150810230440/@comment-460323-20150810231235

Well, it just says you can't sortie with combined fleet. You'll have to undo your combined fleet and post another picture of the new error (if any).

If you're doing E1, 1 CL 2 DD is the minimum. Check the respective fleet compo threads for more info.

http://kancolle.wikia.com/wiki/Summer_2015_Event#In-House_Discussions