=== Server error log [10:32:24 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-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.Entity.d(Entity.java:1260) ~[spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.ChunkRegionLoader.a(ChunkRegionLoader.java:262) ~[spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.ChunkRegionLoader.a(ChunkRegionLoader.java:130) [spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.ChunkProviderServer.saveChunk(ChunkProviderServer.java:234) [spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.ChunkProviderServer.unloadChunks(ChunkProviderServer.java:288) [spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.WorldServer.doTick(WorldServer.java:230) [spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:771) [spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:655) [spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:554) [spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at java.lang.Thread.run(Thread.java:744) [?:1.7.0_45] Caused by: java.lang.NullPointerException at net.minecraft.server.v1_9_R1.MerchantRecipe.k(MerchantRecipe.java:124) ~[spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.MerchantRecipeList.a(SourceFile:132) ~[spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.EntityVillager.b(EntityVillager.java:173) ~[spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] at net.minecraft.server.v1_9_R1.Entity.e(Entity.java:1332) ~[spigot-1.9-R0.1-SNAPSHOT.jar:git-Spigot-604e046-69e196f] ... 11 more === Client crash log ---- Minecraft Crash Report ---- // Don't do that. Time: 3/1/16 10:36 AM Description: Updating screen events java.lang.NullPointerException: Updating screen events at abn.h(SourceFile:139) at abn.a(SourceFile:70) at abt.d(SourceFile:82) at aau.a(SourceFile:238) at bkt.a(SourceFile:415) at bft.a(SourceFile:517) at bft.b(SourceFile:488) at bfb.k(SourceFile:410) at bfb.p(SourceFile:381) at bcf.t(SourceFile:1575) at bcf.av(SourceFile:962) at bcf.a(SourceFile:392) at net.minecraft.client.main.Main.main(SourceFile:124) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at abn.h(SourceFile:139) at abn.a(SourceFile:70) at abt.d(SourceFile:82) at aau.a(SourceFile:238) at bkt.a(SourceFile:415) at bft.a(SourceFile:517) at bft.b(SourceFile:488) at bfb.k(SourceFile:410) at bfb.p(SourceFile:381) -- Affected screen -- Details: Screen name: bgl -- Affected level -- Details: Level name: MpServer All players: 1 total; [bmt['NathanWolf'/2129, l='MpServer', x=77.35, y=93.00, z=-52.63]] Chunk stats: MultiplayerChunkCache: 441, 441 Level seed: 0 Level generator: ID 00 - default, ver 1. Features enabled: false Level generator options: Level spawn location: World: (-3,66,228), Chunk: (at 13,4,4 in -1,14; contains blocks -16,0,224 to -1,255,239), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511) Level time: 102010275 game time, 4855901 day time Level dimension: 0 Level storage version: 0x00000 - Unknown? Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Forced entities: 24 total; [bmt['NathanWolf'/2129, l='MpServer', x=77.35, y=93.00, z=-52.63], xq['Armor Stand'/2180, l='MpServer', x=123.00, y=69.00, z=6.00], yw['Skeleton'/2438, l='MpServer', x=70.50, y=22.00, z=-74.50], yw['Skeleton'/2566, l='MpServer', x=70.50, y=128.00, z=-36.50], ze['Villager'/2574, l='MpServer', x=76.00, y=93.00, z=-51.00], vy['Cow'/2447, l='MpServer', x=105.50, y=74.00, z=-51.50], vu['Bat'/2448, l='MpServer', x=69.20, y=5.85, z=-26.89], vu['Bat'/2453, l='MpServer', x=91.62, y=22.44, z=-27.19], za['Zombie'/2274, l='MpServer', x=61.50, y=12.00, z=-80.50], yw['Skeleton'/2276, l='MpServer', x=113.50, y=15.00, z=-71.50], za['Zombie'/2278, l='MpServer', x=84.50, y=10.00, z=-34.50], yw['Skeleton'/2281, l='MpServer', x=50.50, y=6.00, z=-25.50], za['Warlock'/2346, l='MpServer', x=88.50, y=18.00, z=-19.50], yw['Skeleton'/2411, l='MpServer', x=79.50, y=9.00, z=-29.50], yw['Skeleton'/2286, l='MpServer', x=80.50, y=9.00, z=-34.50], za['Zombie'/2542, l='MpServer', x=70.50, y=44.00, z=-82.50], za['Zombie'/2479, l='MpServer', x=38.50, y=5.00, z=-26.50], za['Zombie'/2543, l='MpServer', x=71.50, y=44.00, z=-84.50], yw['Skeleton'/2545, l='MpServer', x=103.50, y=15.00, z=-55.50], yi['Creeper'/2546, l='MpServer', x=91.50, y=15.00, z=-50.50], yi['Creeper'/2295, l='MpServer', x=86.50, y=22.00, z=-25.50], yw['Skeleton'/2359, l='MpServer', x=53.50, y=7.00, z=-30.50], yw['Skeleton'/2555, l='MpServer', x=110.50, y=14.00, z=-61.50], yw['Skeleton'/2556, l='MpServer', x=107.50, y=14.00, z=-60.50]] Retry entities: 0 total; [] Server brand: Spigot Server type: Non-integrated multiplayer server Stacktrace: at bku.a(SourceFile:365) at bcf.b(SourceFile:2515) at bcf.a(SourceFile:401) at net.minecraft.client.main.Main.main(SourceFile:124) -- System Details -- Details: Minecraft Version: 1.9 Operating System: Mac OS X (x86_64) version 10.11.3 Java Version: 1.8.0_74, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 170480904 bytes (162 MB) / 372858880 bytes (355 MB) up to 1060372480 bytes (1011 MB) JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95 Launched Version: 1.9 LWJGL: 2.9.2 OpenGL: Intel HD Graphics 5000 OpenGL Engine GL version 2.1 INTEL-10.12.13, Intel Inc. GL Caps: Using GL 1.3 multitexturing. Using GL 1.3 texture combiners. Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported. Shaders are available because OpenGL 2.1 is supported. VBOs are available because OpenGL 1.5 is supported. Using VBOs: No Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Resource Packs: Current Language: English (US) Profiler Position: N/A (disabled) CPU: 4x Intel(R) Core(TM) i7-4650U CPU @ 1.70GHz