Seafaring Error on Load

seafaring_error.log

[00:42:40] [modloading-worker-0/ERROR]: Failed to register automatic subscribers. ModID: sea, class tk.deltawolf.sea.Seafaring
java.lang.NoSuchMethodError: net.minecraft.entity.EntityType$Builder.create(Lnet/minecraft/entity/EntityType$IFactory;Lnet/minecraft/entity/EntityClassification;)Lnet/minecraft/entity/EntityType$Builder;
	at tk.deltawolf.sea.lists.EntityList.createEntity(EntityList.java:28) ~[?:0.1.52]
	at tk.deltawolf.sea.lists.EntityList.<clinit>(EntityList.java:24) ~[?:0.1.52]
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51]
	at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51]
	at net.minecraftforge.fml.AutomaticEventSubscriber.lambda$inject$3(AutomaticEventSubscriber.java:70) ~[?:?]
	at net.minecraftforge.fml.AutomaticEventSubscriber$$Lambda$2494/114900236.accept(Unknown Source) ~[?:?]
	at java.util.ArrayList.forEach(ArrayList.java:1249) ~[?:1.8.0_51]
	at net.minecraftforge.fml.AutomaticEventSubscriber.inject(AutomaticEventSubscriber.java:57) ~[?:?]
	at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:141) [?:28.2]
	at net.minecraftforge.fml.javafmlmod.FMLModContainer$$Lambda$2133/1469272529.accept(Unknown Source) [?:28.2]
	at java.util.function.Consumer.lambda$andThen$14(Consumer.java:65) [?:1.8.0_51]
	at java.util.function.Consumer$$Lambda$2132/1491741634.accept(Unknown Source) [?:1.8.0_51]
	at java.util.function.Consumer.lambda$andThen$14(Consumer.java:65) [?:1.8.0_51]
	at java.util.function.Consumer$$Lambda$2132/1491741634.accept(Unknown Source) [?:1.8.0_51]
	at net.minecraftforge.fml.ModContainer.transitionState(ModContainer.java:112) [?:?]
	at net.minecraftforge.fml.ModList.lambda$null$10(ModList.java:134) [?:?]
	at net.minecraftforge.fml.ModList$$Lambda$2490/1285535516.accept(Unknown Source) [?:?]
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) [?:1.8.0_51]
	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374) [?:1.8.0_51]
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512) [?:1.8.0_51]
	at java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:291) [?:1.8.0_51]
	at java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731) [?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) [?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.execLocalTasks(ForkJoinPool.java:1040) [?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1058) [?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) [?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]