[19:23:54] [Server thread/ERROR]: Could not pass event PlayerJoinEvent to CS-CoreLib v1.0.7
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[spigot.jar:git-Spigot-8dc4297-adc129a]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-8dc4297-adc129a]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-8dc4297-adc129a]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.PlayerList.onPlayerJoin(PlayerList.java:262) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.PlayerList.a(PlayerList.java:147) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.LoginListener.b(LoginListener.java:109) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.LoginListener.c(LoginListener.java:41) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.NetworkManager.a(NetworkManager.java:159) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.ServerConnection.c(ServerConnection.java:82) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:785) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:623) [spigot.jar:git-Spigot-8dc4297-adc129a]
at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:526) [spigot.jar:git-Spigot-8dc4297-adc129a]
at java.lang.Thread.run(Thread.java:722) [?:1.7.0_03]
Caused by: java.lang.NullPointerException
at me.mrCookieSlime.CSCoreLibPlugin.Configuration.Config.getKeys(Config.java:140) ~[?:?]
at me.mrCookieSlime.CSCoreLibPlugin.general.Player.PlayerStats.(PlayerStats.java:28) ~[?:?]
at me.mrCookieSlime.CSCoreLibPlugin.general.Player.PlayerStats.register(PlayerStats.java:70) ~[?:?]
at me.mrCookieSlime.CSCoreLibPlugin.events.Listeners.StatisticListener.onJoin(StatisticListener.java:36) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_03]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_03]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_03]
at java.lang.reflect.Method.invoke(Method.java:601) ~[?:1.7.0_03]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[spigot.jar:git-Spigot-8dc4297-adc129a]
... 14 more