CorpseReborn Error Paste

Date: 04/23/2017 17:53:08
CorpseReborn Version: 2.9.9

Server Version: git-Spigot-db6de12-18fbb24 (MC: 1.8.8)
Server Type: SPIGOT
Folder Version: v1_8_R3

Exception:
(Dump Command)

Plugins:
PermissionsEx - 1.23.4
WorldEdit - 6.1;no_git_id
UltraMenu - 7.7
ViaVersion - 1.0.4
CustomJoinItems - 1.5.2
BuycraftX - 10.1.4
Murder - 4.9
CorpseReborn - 2.9.9
WorldGuard - 6.1

Config:
enable-update-checker: true
corpse-time: 120
on-death: true
looting-inventory: true
despawn-after-looted: true
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