InsanityRun error

15:06:12 [WARN] [InsanityRun] Task #37593017 for InsanityRun v3.0.1 generated an exception
java.lang.NullPointerException
        at com.obsidianloft.insanityrun.events.PlayerListener.checkpointRestart(PlayerListener.java:312) ~[?:?]
        at com.obsidianloft.insanityrun.events.PlayerListener.access$1(PlayerListener.java:310) ~[?:?]
        at com.obsidianloft.insanityrun.events.PlayerListener$3.run(PlayerListener.java:190) ~[?:?]
        at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.3.jar:git-Spigot-2ec6f06-7722428]
        at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.3.jar:git-Spigot-2ec6f06-7722428]
        at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:720) [spigot-1.8.3.jar:git-Spigot-2ec6f06-7722428]
        at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368) [spigot-1.8.3.jar:git-Spigot-2ec6f06-7722428]
        at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) [spigot-1.8.3.jar:git-Spigot-2ec6f06-7722428]
        at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [spigot-1.8.3.jar:git-Spigot-2ec6f06-7722428]
        at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]