Hub Essentials Error

[22:09:40] [Server thread/WARN]: [HubEssentials] Task #14 for HubEssentials v1.4.2 generated an exception
java.lang.NullPointerException
    at net.mercilessmc.Hub.AfkKick.locationCheck(AfkKick.java:37) ~[?:?]
    at net.mercilessmc.Hub.AfkKick.testPlayer(AfkKick.java:42) ~[?:?]
    at net.mercilessmc.Hub.AfkKick$1.run(AfkKick.java:18) ~[?:?]
    at org.bukkit.craftbukkit.v1_7_R2.scheduler.CraftTask.run(CraftTask.java:53) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-9-g8e87ff5-b3033jnks]
    at org.bukkit.craftbukkit.v1_7_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-9-g8e87ff5-b3033jnks]
    at net.minecraft.server.v1_7_R2.MinecraftServer.v(MinecraftServer.java:590) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-9-g8e87ff5-b3033jnks]
    at net.minecraft.server.v1_7_R2.DedicatedServer.v(DedicatedServer.java:250) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-9-g8e87ff5-b3033jnks]
    at net.minecraft.server.v1_7_R2.MinecraftServer.u(MinecraftServer.java:548) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-9-g8e87ff5-b3033jnks]
    at net.minecraft.server.v1_7_R2.MinecraftServer.run(MinecraftServer.java:459) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-9-g8e87ff5-b3033jnks]
    at net.minecraft.server.v1_7_R2.ThreadServerApplication.run(SourceFile:618) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-9-g8e87ff5-b3033jnks]