Minecraft Cosmic PVP castle planet infinite loop of crashes

Steps to Reproduce:
1. Signed in
2. Joined a faction
3. /fhome

I have attached the crash report below

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

Time: 19/09/15 8:35 AM
Description: Tesselating block in world

java.lang.IndexOutOfBoundsException
at java.nio.Buffer.checkIndex(Buffer.java:546)
at java.nio.DirectByteBuffer.putFloat(DirectByteBuffer.java:893)
at bfd.b(SourceFile:414)
at bge.a(SourceFile:225)
at bgd.a(SourceFile:67)
at bht.b(SourceFile:176)
at bhp.a(SourceFile:78)
at bhp.run(SourceFile:38)
at java.lang.Thread.run(Thread.java:745)

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

– Head –
Stacktrace:
at java.nio.Buffer.checkIndex(Buffer.java:546)
at java.nio.DirectByteBuffer.putFloat(DirectByteBuffer.java:893)
at bfd.b(SourceFile:414)
at bge.a(SourceFile:225)

– Block being tesselated –
Details:
Block type: ID #9 (tile.water // ajw)
Block data value: 9 / 0x9 / 0b1001
Block location: World: (4942,178,6495), Chunk: (at 14,11,15 in 308,405; contains blocks 4928,0,6480 to 4943,255,6495), Region: (9,12; contains chunks 288,384 to 319,415, blocks 4608,0,6144 to 5119,255,6655)
Stacktrace:
at bgd.a(SourceFile:67)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bew['squid889'/5108, l='MpServer', x=4948.91, y=216.42, z=6482.16]]
Chunk stats: MultiplayerChunkCache: 49, 49
Level seed: 0
Level generator: ID 02 - largeBiomes, ver 0. Features enabled: false
Level generator options:
Level spawn location: 4112.00,28.00,4377.00 - World: (4112,28,4377), Chunk: (at 0,1,9 in 257,273; contains blocks 4112,0,4368 to 4127,255,4383), Region: (8,8; contains chunks 256,256 to 287,287, blocks 4096,0,4096 to 4607,255,4607)
Level time: 228172931 game time, 228469387 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: ~_ERROR~ ClassCastException: zx cannot be cast to java.lang.String
Retry entities: 0 total; []
Server brand: CompilexSpigot
Server type: Non-integrated multiplayer server
Stacktrace:
at bdb.a(SourceFile:309)
at ave.b(SourceFile:2311)
at bhp.run(SourceFile:44)
at java.lang.Thread.run(Thread.java:745)

– System Details –
Details:
Minecraft Version: 1.8.8
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 144233136 bytes (137 MB) / 256610304 bytes (244 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: 1.8.8
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: 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: 8x Intel(R) Core(TM) i7-3630QM CPU @ 2.40GHz