[09:34:12 ERROR]: Could not pass event PlayerJoinEvent to UltimateServer v Alpha                              0.7.1
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja                             va:310) ~[spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav                             a:62) ~[spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j                             ava:502) [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j                             ava:487) [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.PlayerList.onPlayerJoin(PlayerList.java:                             296) [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.PlayerList.a(PlayerList.java:156) [spigo                             t-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.LoginListener.b(LoginListener.java:144)                              [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.LoginListener.c(LoginListener.java:54) [                             spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:231                             ) [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java                             :148) [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:8                             17) [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:3                             67) [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:6                             57) [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java                             :560) [spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        at java.lang.Thread.run(Thread.java:745) [?:1.7.0_71]
Caused by: java.lang.NullPointerException
        at gyurix.ultimateserver.scoreboard.ScoreboardUtils.onPlayerJoin(Scorebo                             ardUtils.java:151) ~[?:?]
        at gyurix.ultimateserver.US.onPlayerJoin(US.java:125) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0                             _71]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.                             java:57) ~[?:1.7.0_71]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces                             sorImpl.java:43) ~[?:1.7.0_71]
        at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_71]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja                             va:306) ~[spigot-1.8.6-R0.1.jar:git-Spigot-6a6b839-b0e81a4]
        ... 14 more