Im using swornguns with craftz in just one world, and everytime when a player joins the server (on the lobby) in the console appears this:

[13:25:54 WARN]: [SwornGuns] Task #216 for SwornGuns v2.2.2-SNAPSHOT (Build 222)
generated an exception
java.lang.NullPointerException
at net.dmulloy2.swornguns.listeners.PlayerListener$1.run(PlayerListener.
java:103) ~[?:?]
at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftTask.run(CraftTask.java
:58) ~[spigot.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftScheduler.mainThreadHea
rtbeat(CraftScheduler.java:345) [spigot.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:6
14) [spigot.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:2
73) [spigot.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:5
62) [spigot.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java
:469) [spigot.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]
at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:6
17) [spigot.jar:git-Spigot-1.7.2-R0.3-122-gb58e277]

Please help :C