CorpseReborn Error Paste

Date: 10/23/2017 19:16:03
CorpseReborn Version: 2.10.4

Server Version: git-PaperSpigot-4c7641d1 (MC: 1.8.8)
Server Type: PAPER_SPIGOT
Folder Version: v1_8_R3

Exception:
java.lang.NullPointerException
	at org.golde.bukkit.corpsereborn.nms.nmsclasses.NMSCorpses_v1_8_R3.removeCorpse(NMSCorpses_v1_8_R3.java:137)
	at org.golde.bukkit.corpsereborn.CorpseAPI.CorpseAPI.removeCorpse(CorpseAPI.java:155)
	at me.joseph.murder.Arena.stop(Arena.java:1283)
	at me.joseph.murder.Arena$9$1.run(Arena.java:1500)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:352)
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:783)
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378)
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713)
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616)
	at java.lang.Thread.run(Thread.java:745)


Plugins:
WorldEdit - 6.1;no_git_id
S724Lib - 2
NoRain - 0.2
UltimateAnnounce - 1.4.8
GreenLifeCoolDown - 1.0
DisableJoinMessage - 1.0
ChatControl - 7.0.3
OptimalTransfer - 2.2.3
OptiPortals - 1.0
WorldGuard - 6.1.1-SNAPSHOT
Multiverse-Core - 2.4-b527
TitleAPI - 1.6
ExecuteEverywhere - 1.2.4-SNAPSHOT
IPWhitelist - 1.7
TeslaHub - 1.0
MMDoor - 1.0
Murder - 10.1
MySQL-Tokens - 1.0
TeslaPerms - 1.0
TeslaPlaceholders - 1.0
TeslaSkins - 1.0
ViaVersion - 1.3.0
MMMinecart - 1.0
Vault - 1.6.6-b${env.TRAVIS_BUILD_NUMBER}
TeslaTerminator - 1.0
Titlebar - 1.2.4.8
MGPotions - 1.0
TeslaCooldown - 1.0
CorpseReborn - 2.10.4
MMLift - 1.0
MMOrel - 1.0
TeslaParkour - 1.0
TeslaTabHeader - 1.0
ProtocolLib - 4.3.0
TeslaUpdater - 1.0
Spartan - Build 164
AAC - 3.3.2
Citizens - 2.0.16-SNAPSHOT (build 1267)
PacketBookFix - 1.0
ConditionalCommands - 1.4
AACAdditionPro - 3.2.4
CommandDoesNotExist - 2.5.0
HolographicDisplays - 2.2.5

Config:
enable-update-checker: false
corpse-time: 120
on-death: false
looting-inventory: false
despawn-after-looted: false
show-tags: true
world: all
gui-title: %corpse%'s Items
username-format: %corpse%
finish-looting-message: *bYou have finished looting %corpse%'s corpse.
new-hitboxes: true
render-armor: true