A minecraft server isn't sending me all the required info to construct BlockEntity

Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 6/22/16 1:07 PM
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:piston_extension[facing=down,type=normal]
Block coordinates: World: (187,39,2), Chunk: (at 11,2,2 in 11,0; contains blocks 176,0,0 to 191,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bnn['LlamaPrince234'/151630, l='MpServer', x=176.08, y=66.00, z=44.85]]
Chunk stats: MultiplayerChunkCache: 441, 441
Level seed: 0
Level generator: ID 02 - largeBiomes, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (175,66,28), Chunk: (at 15,4,12 in 10,1; contains blocks 160,0,16 to 175,255,31), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 25164962 game time, 22502021 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: 62 total; [bnn['LlamaPrince234'/151630, l='MpServer', x=176.08, y=66.00, z=44.85], xx['Armor Stand'/535, l='MpServer', x=223.75, y=65.00, z=51.50], xx['Armor Stand'/536, l='MpServer', x=223.75, y=65.00, z=51.30], xx['Armor Stand'/537, l='MpServer', x=223.75, y=65.00, z=50.90], xx['Armor Stand'/410, l='MpServer', x=114.50, y=65.65, z=53.10], xx['Armor Stand'/411, l='MpServer', x=114.30, y=65.65, z=53.10], xx['Armor Stand'/412, l='MpServer', x=114.10, y=65.65, z=53.10], xx['Armor Stand'/413, l='MpServer', x=113.90, y=65.65, z=53.10], xx['Armor Stand'/414, l='MpServer', x=113.70, y=65.75, z=54.10], wq['Wolf'/428, l='MpServer', x=142.30, y=71.00, z=36.30], xx['Armor Stand'/429, l='MpServer', x=129.60, y=65.60, z=41.10], xx['Armor Stand'/430, l='MpServer', x=128.10, y=65.65, z=46.50], xx['Armor Stand'/431, l='MpServer', x=128.10, y=65.65, z=46.70], xx['Armor Stand'/432, l='MpServer', x=128.10, y=65.65, z=46.90], xx['Armor Stand'/433, l='MpServer', x=129.25, y=65.65, z=47.00], xx['Armor Stand'/434, l='MpServer', x=129.25, y=65.65, z=47.20], xx['Portal to West'/441, l='MpServer', x=153.47, y=21.00, z=-11.46], xx['Armor Stand'/444, l='MpServer', x=147.50, y=66.65, z=34.90], xx['Armor Stand'/445, l='MpServer', x=147.70, y=66.65, z=34.90], xx['Armor Stand'/446, l='MpServer', x=147.90, y=66.65, z=34.90], xx['Armor Stand'/447, l='MpServer', x=148.00, y=66.65, z=33.75], xx['Armor Stand'/448, l='MpServer', x=148.20, y=66.65, z=33.75], xx['Portal back to Spawn'/455, l='MpServer', x=175.50, y=27.50, z=-11.50], xx['Portal to South'/457, l='MpServer', x=175.55, y=21.00, z=9.65], xz['entity.ItemFrame.name'/459, l='MpServer', x=166.50, y=66.50, z=13.97], xz['entity.ItemFrame.name'/460, l='MpServer', x=164.50, y=66.50, z=13.97], xz['entity.ItemFrame.name'/461, l='MpServer', x=164.50, y=66.50, z=16.03], xz['entity.ItemFrame.name'/462, l='MpServer', x=166.50, y=66.50, z=16.03], xz['entity.ItemFrame.name'/463, l='MpServer', x=167.50, y=67.50, z=45.97], xz['entity.ItemFrame.name'/464, l='MpServer', x=168.50, y=67.50, z=45.97], xz['entity.ItemFrame.name'/465, l='MpServer', x=166.50, y=67.50, z=45.97], xx['Portal to Warps'/466, l='MpServer', x=175.40, y=66.00, z=48.31], xx['Armor Stand'/470, l='MpServer', x=184.50, y=65.00, z=12.25], xx['Armor Stand'/471, l='MpServer', x=184.30, y=65.00, z=12.25], xz['entity.ItemFrame.name'/472, l='MpServer', x=182.50, y=67.50, z=45.97], xz['entity.ItemFrame.name'/473, l='MpServer', x=184.50, y=67.50, z=45.97], xz['entity.ItemFrame.name'/474, l='MpServer', x=183.50, y=67.50, z=45.97], xx['Portal to East'/484, l='MpServer', x=197.62, y=21.00, z=-11.49], xx['Armor Stand'/487, l='MpServer', x=202.80, y=66.65, z=31.25], xx['Armor Stand'/488, l='MpServer', x=203.50, y=66.65, z=30.10], xx['Armor Stand'/489, l='MpServer', x=203.30, y=66.65, z=30.10], xx['Armor Stand'/490, l='MpServer', x=203.10, y=66.65, z=30.10], xx['Armor Stand'/491, l='MpServer', x=203.00, y=66.65, z=31.25], xz['entity.ItemFrame.name'/492, l='MpServer', x=195.97, y=66.50, z=28.50], xz['entity.ItemFrame.name'/493, l='MpServer', x=195.97, y=67.50, z=28.50], xz['entity.ItemFrame.name'/494, l='MpServer', x=195.97, y=67.50, z=29.50], xz['entity.ItemFrame.name'/495, l='MpServer', x=195.97, y=66.50, z=29.50], xz['entity.ItemFrame.name'/496, l='MpServer', x=196.97, y=66.50, z=30.50], xz['entity.ItemFrame.name'/497, l='MpServer', x=196.50, y=66.50, z=30.03], xz['entity.ItemFrame.name'/498, l='MpServer', x=196.50, y=67.50, z=30.03], xz['entity.ItemFrame.name'/499, l='MpServer', x=197.50, y=67.50, z=30.03], xz['entity.ItemFrame.name'/500, l='MpServer', x=197.50, y=66.50, z=31.03], xz['entity.ItemFrame.name'/501, l='MpServer', x=198.03, y=66.50, z=30.50], xz['entity.ItemFrame.name'/502, l='MpServer', x=198.03, y=66.50, z=29.50], xz['entity.ItemFrame.name'/503, l='MpServer', x=198.03, y=67.50, z=29.50], xz['entity.ItemFrame.name'/504, l='MpServer', x=198.03, y=67.50, z=28.50], xz['entity.ItemFrame.name'/505, l='MpServer', x=198.03, y=66.50, z=28.50], xz['entity.ItemFrame.name'/506, l='MpServer', x=197.50, y=66.50, z=27.97], xz['entity.ItemFrame.name'/507, l='MpServer', x=196.50, y=66.50, z=27.97], xz['entity.ItemFrame.name'/508, l='MpServer', x=196.50, y=67.50, z=27.97], xz['entity.ItemFrame.name'/509, l='MpServer', x=197.50, y=67.50, z=27.97], xx['Armor Stand'/510, l='MpServer', x=207.00, y=66.40, z=43.90]]
Retry entities: 0 total; []
Server brand: 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 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 49264640 bytes (46 MB) / 254242816 bytes (242 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: 99
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: 6x AMD FX(tm)-6300 Six-Core Processor