TNTRun errors

2013-11-12 20:46:50 [WARNING] [TNTRun] Task #78400 for TNTRun v2.1 generated an exception
java.lang.NullPointerException
    at tntrun.arena.PlayerHandler.removePlayerFromArenaAndRestoreState(PlayerHandler.java:114)
    at tntrun.arena.PlayerHandler.leavePlayer(PlayerHandler.java:95)
    at tntrun.arena.PlayerHandler$1.run(PlayerHandler.java:78)
    at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java:58)
    at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
    at net.minecraft.server.v1_6_R3.MinecraftServer.t(MinecraftServer.java:530)
    at net.minecraft.server.v1_6_R3.DedicatedServer.t(DedicatedServer.java:240)
    at net.minecraft.server.v1_6_R3.MinecraftServer.s(MinecraftServer.java:493)
    at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:425)
    at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)