17:19:44 [SEVERE] Error occurred while enabling Multiverse-Core v2.4-b527 (Is it
 up to date?)
java.lang.OutOfMemoryError: Java heap space
        at net.minecraft.server.v1_6_R3.NBTTagByteArray.load(SourceFile:27)
        at net.minecraft.server.v1_6_R3.NBTBase.b(SourceFile:101)
        at net.minecraft.server.v1_6_R3.NBTTagCompound.load(SourceFile:38)
        at net.minecraft.server.v1_6_R3.NBTTagList.load(SourceFile:41)
        at net.minecraft.server.v1_6_R3.NBTBase.b(SourceFile:101)
        at net.minecraft.server.v1_6_R3.NBTTagCompound.load(SourceFile:38)
        at net.minecraft.server.v1_6_R3.NBTBase.b(SourceFile:101)
        at net.minecraft.server.v1_6_R3.NBTTagCompound.load(SourceFile:38)
        at net.minecraft.server.v1_6_R3.NBTBase.b(SourceFile:101)
        at net.minecraft.server.v1_6_R3.NBTBase.a(SourceFile:89)
        at net.minecraft.server.v1_6_R3.NBTCompressedStreamTools.a(SourceFile:75
)
        at net.minecraft.server.v1_6_R3.ChunkRegionLoader.loadChunk(ChunkRegionL
oader.java:80)
        at net.minecraft.server.v1_6_R3.ChunkRegionLoader.a(ChunkRegionLoader.ja
va:45)
        at net.minecraft.server.v1_6_R3.ChunkProviderServer.loadChunk(ChunkProvi
derServer.java:176)
        at net.minecraft.server.v1_6_R3.ChunkProviderServer.getChunkAt(ChunkProv
iderServer.java:105)
        at net.minecraft.server.v1_6_R3.ChunkProviderServer.getChunkAt(ChunkProv
iderServer.java:84)
        at org.bukkit.craftbukkit.v1_6_R3.CraftServer.createWorld(CraftServer.ja
va:768)
        at org.bukkit.Bukkit.createWorld(Bukkit.java:226)
        at org.bukkit.WorldCreator.createWorld(WorldCreator.java:235)
        at com.onarandombox.MultiverseCore.utils.WorldManager.addWorld(WorldMana
ger.java:137)
        at com.onarandombox.MultiverseCore.utils.WorldManager.addWorld(WorldMana
ger.java:91)
        at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorlds(WorldMa
nager.java:557)
        at com.onarandombox.MultiverseCore.MultiverseCore.onEnable(MultiverseCor
e.java:242)
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader
.java:457)
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage
r.java:381)
        at org.bukkit.craftbukkit.v1_6_R3.CraftServer.loadPlugin(CraftServer.jav
a:284)
        at org.bukkit.craftbukkit.v1_6_R3.CraftServer.enablePlugins(CraftServer.
java:266)
        at net.minecraft.server.v1_6_R3.MinecraftServer.l(MinecraftServer.java:3
15)
        at net.minecraft.server.v1_6_R3.MinecraftServer.f(MinecraftServer.java:2
92)
        at net.minecraft.server.v1_6_R3.MinecraftServer.a(MinecraftServer.java:2
52)
        at net.minecraft.server.v1_6_R3.DedicatedServer.init(DedicatedServer.jav
a:152)