[17:15:28 ERROR]: Could not pass event ChunkLoadEvent to MobStacker v2.0.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:302) ~[spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62) ~[spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:509) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:494) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.craftbukkit.v1_7_R4.chunkio.ChunkIOProvider.callStage2(Chu
nkIOProvider.java:50) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.craftbukkit.v1_7_R4.chunkio.ChunkIOProvider.callStage2(Chu
nkIOProvider.java:13) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.craftbukkit.v1_7_R4.util.AsynchronousExecutor$Task.finish(
AsynchronousExecutor.java:188) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.craftbukkit.v1_7_R4.util.AsynchronousExecutor.finishActive
(AsynchronousExecutor.java:347) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.craftbukkit.v1_7_R4.chunkio.ChunkIOExecutor.tick(ChunkIOEx
ecutor.java:34) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:6
52) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:2
89) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:5
84) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java
:490) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:6
28) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
Caused by: java.lang.NoSuchMethodError: org.bukkit.entity.Entity.getCustomName()
Ljava/lang/String;
        at com.kiwifisher.mobstacker.utils.StackUtils.reviveStacks(StackUtils.ja
va:546) ~[?:?]
        at com.kiwifisher.mobstacker.listeners.ChunkChangeListener.mobLoadEvent(
ChunkChangeListener.java:63) ~[?:?]
        at sun.reflect.GeneratedMethodAccessor74.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1
.8.0_121]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_121]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:298) ~[spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        ... 13 more
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