[Server thread/WARN]: Failed to handle packet for /10.0.0.6:53192
net.minecraft.util.ReportedException: Exception generating new chunk
	at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:163) ~[ld.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:114) ~[ld.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:84) ~[ld.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:181) ~[ld.class:?]
	at net.minecraft.world.World.func_72964_e(World.java:287) ~[adm.class:?]
	at net.minecraft.world.World.spawnEntity(World.java:551) ~[adm.class:?]
	at net.minecraft.world.World.func_72838_d(World.java:510) ~[adm.class:?]
	at net.minecraft.server.management.ServerConfigurationManager.func_72377_c(ServerConfigurationManager.java:524) ~[lx.class:?]
	at net.minecraft.server.management.ServerConfigurationManager.initializeConnectionToPlayer(ServerConfigurationManager.java:261) ~[lx.class:?]
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.completeServerSideConnection(NetworkDispatcher.java:239) ~[NetworkDispatcher.class:?]
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.serverToClientHandshake(NetworkDispatcher.java:142) ~[NetworkDispatcher.class:?]
	at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.fmlServerHandshake(FMLNetworkHandler.java:65) ~[FMLNetworkHandler.class:?]
	at net.minecraft.server.network.NetHandlerLoginServer.func_147326_c(NetHandlerLoginServer.java:133) ~[lo.class:?]
	at net.minecraft.server.network.NetHandlerLoginServer.func_73660_a(NetHandlerLoginServer.java:60) ~[lo.class:?]
	at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:289) ~[ek.class:?]
	at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:189) [ll.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:724) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344) [ko.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
Caused by: java.lang.NullPointerException
	at com.worldInterface.ChunkBuilder.switchBlocks(ChunkBuilder.java:153) ~[ChunkBuilder.class:?]
	at com.worldInterface.ChunkBuilder.placeBlocks(ChunkBuilder.java:131) ~[ChunkBuilder.class:?]
	at com.worldInterface.ChunkBuilder.structParse(ChunkBuilder.java:113) ~[ChunkBuilder.class:?]
	at com.worldInterface.ChunkBuilder.<init>(ChunkBuilder.java:78) ~[ChunkBuilder.class:?]
	at com.worldInterface.GeoWorldPopulator.populate(GeoWorldPopulator.java:57) ~[GeoWorldPopulator.class:?]
	at org.spongepowered.common.world.gen.SpongeChunkProvider.func_73154_d(SpongeChunkProvider.java:213) ~[SpongeChunkProvider.class:1.8.9-1694-3.1.0-BETA-1084]
	at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:154) ~[ld.class:?]
	... 20 more
[11:12:49] [Server thread/ERROR]: Encountered an unexpected exception
net.minecraft.util.ReportedException: Exception generating new chunk
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:696) ~[MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344) ~[ko.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605) ~[MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_65]
Caused by: java.lang.IllegalStateException: Cannot reuse while still in use
	at com.google.common.base.Preconditions.checkState(Preconditions.java:176) ~[minecraft_server.1.8.9.jar:?]
	at org.spongepowered.common.util.gen.ByteArrayMutableBiomeBuffer.reuse(ByteArrayMutableBiomeBuffer.java:123) ~[ByteArrayMutableBiomeBuffer.class:1.8.9-1694-3.1.0-BETA-1084]
	at org.spongepowered.common.world.gen.SpongeChunkProvider.func_73154_d(SpongeChunkProvider.java:206) ~[SpongeChunkProvider.class:1.8.9-1694-3.1.0-BETA-1084]
	at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:154) ~[ld.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:114) ~[ld.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:84) ~[ld.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:181) ~[ld.class:?]
	at net.minecraft.world.World.func_72964_e(World.java:287) ~[adm.class:?]
	at net.minecraft.world.SpawnerAnimals.func_180621_a(SpawnerAnimals.java:173) ~[adt.class:?]
	at net.minecraft.world.SpawnerAnimals.func_77192_a(SpawnerAnimals.java:82) ~[adt.class:?]
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:199) ~[le.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:690) ~[MinecraftServer.class:?]
	... 4 more
[11:12:49] [Server thread/ERROR]: This crash report has been saved to: /Users/allmac/Desktop/SpongeServer/./crash-reports/crash-2016-01-22_11.12.49-server.txt