[07:47:14] [Server thread/WARN]: [SkyWars] Task #151320 for SkyWars v1.1.1-m17 generated an exception
java.lang.NullPointerException
	at vc.pvp.skywars.listeners.EntityListener$1.run(EntityListener.java:67) ~[?:?]
	at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftTask.run(CraftTask.java:58) ~[SkyWars.jar:git-Spigot-1226]
	at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [SkyWars.jar:git-Spigot-1226]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:583) [SkyWars.jar:git-Spigot-1226]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) [SkyWars.jar:git-Spigot-1226]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:540) [SkyWars.jar:git-Spigot-1226]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:446) [SkyWars.jar:git-Spigot-1226]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [SkyWars.jar:git-Spigot-1226]