[13:37:05 ERROR]: Could not pass event PlayerQuitEvent to verCore v1.0
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[server.jar:git-PaperSpigot-"8b18730"]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[server.jar:git-PaperSpigot-"8b18730"]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[server.jar:git-PaperSpigot-"8b18730"]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [server.jar:git-PaperSpigot-"8b18730"]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.PlayerList.disconnect(PlayerList.java:364) [server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:875) [server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.NetworkManager.l(NetworkManager.java:314) [server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:145) [server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:875) [server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [server.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [server.jar:git-PaperSpigot-"8b18730"]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_141]
Caused by: java.lang.NullPointerException
at pl.vershider.core.listeners.PlayerQuitJoinListener.quitGame(PlayerQuitJoinListener.java:100) ~[?:?]
at pl.vershider.core.listeners.PlayerQuitJoinListener.onQuit(PlayerQuitJoinListener.java:89) ~[?:?]
at sun.reflect.GeneratedMethodAccessor174.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_141]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_141]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[server.jar:git-PaperSpigot-"8b18730"]
... 13 more