[18:00:47 ERROR]: Could not pass event PlayerLoginEvent to Spartan vBuild 259
org.bukkit.event.EventException: null
        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:37) ~[spigot.jar:git-Paper-1618]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[spigot.jar:git-Paper-1618]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Paper-1618]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[spigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PlayerList.attemptLogin(PlayerList.java:565) ~[spigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.LoginListener.b(LoginListener.java:152) ~[spigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.LoginListener.e(LoginListener.java:68) ~[spigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.NetworkManager.a(NetworkManager.java:273) ~[spigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.ServerConnection.c(ServerConnection.java:150) ~[spigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:948) ~[spigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[spigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[spigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[spigot.jar:git-Paper-1618]
        at java.lang.Thread.run(Unknown Source) [?:?]
Caused by: java.lang.NullPointerException
        at me.vagdedes.spartan.l.c.e.a(PermissionUtils.java:36) ~[?:?]
        at me.vagdedes.spartan.d.c.d.a(ReconnectCooldown.java:28) ~[?:?]
        at me.vagdedes.spartan.f.c.a(EventsHandler3.java:153) ~[?:?]
        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:35) ~[spigot.jar:git-Paper-1618]
        ... 13 more