java.lang.NullPointerException
22:39:09 at vazkii.botania.common.core.handler.SpawnerChangingHandler.onInteract(SpawnerChangingHandler.java:29) ~[SpawnerChangingHandler.class:?]
22:39:09 at cpw.mods.fml.common.eventhandler.ASMEventHandler_288_SpawnerChangingHandler_onInteract_PlayerInteractEvent.invoke(.dynamic) ~[?:?]
22:39:09 at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51) ~[ASMEventHandler.class:git-Cauldron-MCPC-Plus-1.7.10-1.1187.01.120]
22:39:09 at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122) ~[EventBus.class:git-Cauldron-MCPC-Plus-1.7.10-1.1187.01.120]
22:39:09 at net.minecraftforge.event.ForgeEventFactory.onPlayerInteract(ForgeEventFactory.java:67) ~[ForgeEventFactory.class:git-Cauldron-MCPC-Plus-1.7.10-1.1187.01.120]
22:39:09 at net.minecraftforge.event.ForgeEventFactory.onPlayerInteract(ForgeEventFactory.java:62) ~[ForgeEventFactory.class:git-Cauldron-MCPC-Plus-1.7.10-1.1187.01.120]
22:39:09 at net.minecraft.network.NetHandlerPlayServer.func_147346_a(NetHandlerPlayServer.java:837) ~[nh.class:?]
22:39:09 at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:60) ~[jo.class:?]
22:39:09 at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:9) ~[jo.class:?]
22:39:09 at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:244) ~[ej.class:?]
22:39:09 at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:173) [nc.class:?]
22:39:09 at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:990) [MinecraftServer.class:?]
22:39:09 at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:422) [lt.class:?]
22:39:09 at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:820) [MinecraftServer.class:?]
22:39:09 at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:680) [MinecraftServer.class:?]
22:39:09 at java.lang.Thread.run(Thread.java:745) [?:1.8.0_05]