[09:26:31 ERROR]: Could not pass event PlayerJoinEvent to zRanks v1.3
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:509) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:494) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.PlayerList.c(PlayerList.java:265) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.PlayerList.a(PlayerList.java:152) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.LoginListener.c(LoginListener.java:119) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.LoginListener.a(LoginListener.java:44) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:189) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
Caused by: java.lang.NullPointerException
        at zplugin.zranks.util.Methods.getDefaultRank(Methods.java:82) ~[?:?]
        at zplugin.zranks.events.PlayerJoinListener.onPlayerJoin(PlayerJoinListener.java:30) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_51]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_51]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_51]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298) ~[server8.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
        ... 14 more