1:55:17 ERROR]: Error occurred while enabling Multiverse-Core v2.5.0-b727 (Is it up to date?)
net.minecraft.server.v1_8_R3.ReportedException: Exception generating new chunk
        at net.minecraft.server.v1_8_R3.ChunkProviderServer.originalGetChunkAt(ChunkProviderServer.java:150) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:118) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:97) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftWorld.loadChunk(CraftWorld.java:253) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftWorld.loadChunk(CraftWorld.java:150) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftWorld.setKeepSpawnInMemory(CraftWorld.java:1177) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at com.onarandombox.MultiverseCore.MVWorld$3.set(MVWorld.java:134) ~[?:?]
        at com.onarandombox.MultiverseCore.MVWorld$3.set(MVWorld.java:129) ~[?:?]
        at me.main__.util.multiverse.SerializationConfig.SerializationConfig.flushPendingVPropChanges(SerializationConfig.java:248) ~[?:?]
        at com.onarandombox.MultiverseCore.WorldProperties.flushChanges(WorldProperties.java:374) ~[?:?]
        at com.onarandombox.MultiverseCore.MVWorld.<init>(MVWorld.java:90) ~[?:?]
        at com.onarandombox.MultiverseCore.MVWorld.<init>(MVWorld.java:57) ~[?:?]
        at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:476) ~[?:?]
        at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:447) ~[?:?]
        at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:422) ~[?:?]
        at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorlds(WorldManager.java:725) ~[?:?]
        at com.onarandombox.MultiverseCore.MultiverseCore.onEnable(MultiverseCore.java:312) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:357) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:317) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.reload(CraftServer.java:741) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.Bukkit.reload(Bukkit.java:535) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_151]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_151]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]
Caused by: java.lang.NullPointerException
        at com.worldcretornica.plotme.defaultgenerator.DefaultChunkGenerator.generateExtBlockSections(DefaultChunkGenerator.java:45) ~[?:?]
        at org.bukkit.craftbukkit.v1_8_R3.generator.CustomChunkGenerator.getOrCreateChunk(CustomChunkGenerator.java:83) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.ChunkProviderServer.originalGetChunkAt(ChunkProviderServer.java:142) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
        ... 39 more