This is the crash report I received...

---- Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.

Time: 6/22/16 8:31 AM
Description: Server forgot to send required information to construct BlockEntity

java.lang.RuntimeException: Missing BlockEntity
at bqy.b(SourceFile:162)
at bqu.a(SourceFile:100)
at bqu.run(SourceFile:43)
at java.lang.Thread.run(Thread.java:745)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– BlockEntity missing instance data –
Details:
BlockState: minecraft:chest[facing=south]
Block coordinates: World: (1512,60,1565), Chunk: (at 8,3,13 in 94,97; contains blocks 1504,0,1552 to 1519,255,1567), Region: (2,3; contains chunks 64,96 to 95,127, blocks 1024,0,1536 to 1535,255,2047)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bnn['Merr_Maniac'/913, l='MpServer', x=1510.50, y=68.00, z=1520.50]]
Chunk stats: MultiplayerChunkCache: 121, 121
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (1510,71,1520), Chunk: (at 6,4,0 in 94,95; contains blocks 1504,0,1520 to 1519,255,1535), Region: (2,2; contains chunks 64,64 to 95,95, blocks 1024,0,1024 to 1535,255,1535)
Level time: 2029956879 game time, 134257920444 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 1 total; [bnn['Merr_Maniac'/913, l='MpServer', x=1510.50, y=68.00, z=1520.50]]
Retry entities: 0 total; []
Server brand: Waterfall (git:Waterfall-Bootstrap:1.9-SNAPSHOT:438f7a9:unknown) <- Spigot
Server type: Non-integrated multiplayer server
Stacktrace:
at bln.a(SourceFile:364)
at bcx.b(SourceFile:2535)
at bqu.run(SourceFile:49)
at java.lang.Thread.run(Thread.java:745)

– System Details –
Details:
Minecraft Version: 1.10.1
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 129433752 bytes (123 MB) / 244445184 bytes (233 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Launched Version: 1.10.1
LWJGL: 2.9.4
OpenGL: ~_ERROR~ RuntimeException: No OpenGL context found in the current thread.
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 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: Yes
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: 8x Intel(R) Core(TM) i7-2720QM CPU @ 2.20GHz