[16:27:18] [Server thread/WARN]: Failed to handle packet for /82.131.88.36:56780
java.lang.NullPointerException
	at vazkii.botania.common.item.ItemOpenBucket.func_77659_a(ItemOpenBucket.java:41) ~[ItemOpenBucket.class:?]
	at net.minecraft.item.ItemStack.func_77957_a(ItemStack.java:167) ~[add.class:?]
	at net.minecraft.server.management.ItemInWorldManager.func_73085_a(ItemInWorldManager.java:378) ~[mx.class:?]
	at net.minecraft.network.NetHandlerPlayServer.func_147346_a(NetHandlerPlayServer.java:825) ~[nh.class:?]
	at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:60) ~[jo.class:?]
	at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:9) ~[jo.class:?]
	at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:244) ~[ej.class:?]
	at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:173) [nc.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:980) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:430) [lt.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_40]