Crashes on Transmuting Bee Effect.

[mmance]

net.minecraft.util.ReportedException: Ticking block entity
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:773) ~[MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397) ~[nz.class:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668) ~[MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51]
Caused by: java.lang.NoSuchMethodError: net.minecraft.world.biome.Biome.func_185359_l()Ljava/lang/String;
at magicbees.integration.railcraft.IntegrationRailcraft.trySpawnRC(IntegrationRailcraft.java:70) ~[IntegrationRailcraft.class:?]
at magicbees.integration.railcraft.IntegrationRailcraft.access$000(IntegrationRailcraft.java:27) ~[IntegrationRailcraft.class:?]
at magicbees.integration.railcraft.IntegrationRailcraft$1.transmute(IntegrationRailcraft.java:50) ~[IntegrationRailcraft$1.class:?]
at magicbees.util.DefaultTransmutationController.transmute(DefaultTransmutationController.java:47) ~[DefaultTransmutationController.class:?]
at magicbees.bees.allele.AlleleEffectTransmuting.doEffectThrottled(AlleleEffectTransmuting.java:43) ~[AlleleEffectTransmuting.class:?]
at magicbees.elec332.corerepack.compat.forestry.allele.AlleleEffectThrottled.doEffect(AlleleEffectThrottled.java:45) ~[AlleleEffectThrottled.class:?]
at forestry.apiculture.genetics.Bee.doEffect(Bee.java:187) ~[Bee.class:?]
at forestry.apiculture.genetics.Bee.doEffect(Bee.java:168) ~[Bee.class:?]
at forestry.apiculture.BeekeepingLogic.queenWorkTick(BeekeepingLogic.java:276) ~[BeekeepingLogic.class:?]
at forestry.apiculture.BeekeepingLogic.doWork(BeekeepingLogic.java:253) ~[BeekeepingLogic.class:?]
at forestry.apiculture.tiles.TileBeeHousingBase.updateServerSide(TileBeeHousingBase.java:177) ~[TileBeeHousingBase.class:?]
at forestry.core.tiles.TileForestry.func_73660_a(TileForestry.java:99) ~[TileForestry.class:?]
at net.minecraft.world.World.func_72939_s(World.java:1838) ~[amu.class:?]
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:613) ~[oo.class:?]
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:767) ~[MinecraftServer.class:?]
... 4 more
[08:47:28] [Server thread/ERROR] [minecraft/MinecraftServer]: This crash report has been saved to: