[14:31:30] [Server thread/INFO]: [Server] **SERVER IS SAVING THE MAP**
[14:31:30] [Server thread/INFO]: Saving...
[14:31:30] [Server thread/INFO]: Negative index in crash report handler (0/18)
[14:31:30] [Server thread/ERROR]: Failed to save chunk
net.minecraft.server.v1_9_R1.ReportedException: Saving entity NBT
	at net.minecraft.server.v1_9_R1.Entity.e(Entity.java:1356) ~[spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.Entity.d(Entity.java:1260) ~[spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.ChunkRegionLoader.a(ChunkRegionLoader.java:262) ~[spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.ChunkRegionLoader.a(ChunkRegionLoader.java:130) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.ChunkProviderServer.saveChunk(ChunkProviderServer.java:240) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.ChunkProviderServer.a(ChunkProviderServer.java:263) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.WorldServer.save(WorldServer.java:1012) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.CommandSaveAll.execute(SourceFile:36) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at org.bukkit.craftbukkit.v1_9_R1.command.VanillaCommandWrapper.dispatchVanillaCommand(VanillaCommandWrapper.java:108) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at org.bukkit.craftbukkit.v1_9_R1.command.VanillaCommandWrapper.execute(VanillaCommandWrapper.java:43) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at org.bukkit.craftbukkit.v1_9_R1.CraftServer.dispatchCommand(CraftServer.java:645) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at org.bukkit.craftbukkit.v1_9_R1.CraftServer.dispatchServerCommand(CraftServer.java:631) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.DedicatedServer.aL(DedicatedServer.java:438) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:401) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559) [spigot-1.9.jar:git-Spigot-23e921f-8b69bdd]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_95]
Caused by: java.lang.NullPointerException
[14:31:31] [Server thread/INFO]: Saved the world
[14:31:31] [Server thread/INFO]: [Server] **MAP SAVE IS COMPLETE**