crash after putting fish food after 2 fish (1 male and 1 female) in a fish tank.

http://pastebin.com/xv6LMtpL

minecraft: 1.7.10
mariculture: Mariculture-Deluxe-1.7.10-1.3.0-6
forge: 10.13.4.1614-1.7.10

Since I'm no longer working on 1.7.10 you'll need to find someone to fix it, if you want it fixed :P