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java.lang.NoClassDefFoundError: net/minecraft/client/Minecraft	at flaxbeard.steamcraft.handler.PhobicCoatingHandler.walkOnFluid(PhobicCoatingHandler.java:97)	at cpw.mods.fml.common.eventhandler.ASMEventHandler_614_PhobicCoatingHandler_walkOnFluid_PlayerTickEvent.invoke(.dynamic)	at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)	at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)	at cpw.mods.fml.common.FMLCommonHandler.onPlayerPreTick(FMLCommonHandler.java:345)	at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:220)	at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:295)	at net.minecraft.network.NetHandlerPlayServer.func_147347_a(NetHandlerPlayServer.java:303)	at net.minecraft.network.play.client.C03PacketPlayer.func_148833_a(SourceFile:137)	at net.minecraft.network.play.client.C03PacketPlayer$C06PacketPlayerPosLook.func_148833_a(SourceFile:20)	at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)	at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165)	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659)	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:396)	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)