[06:19:30] [Server thread/INFO] [FML/]: [Server thread] Server side modded connection established
[06:19:30] [Server thread/ERROR] [Sponge/]: Could not pass ClientConnectionEvent$Disconnect$Impl to Plugin{id=nucleus, name=Nucleus, version=0.15.0-5.0, description=The Ultimate Essentials Plugin., source=/home/minecraft/server/110pixelmon/mods/Nucleus-0.15.0-S5-1.10.2-plugin.jar}
java.lang.NullPointerException
	at io.github.nucleuspowered.nucleus.modules.core.listeners.CoreListener.onPlayerQuit(CoreListener.java:71) ~[CoreListener.class:0.15.0-5.0]
	at org.spongepowered.common.event.listener.DisconnectListener_CoreListener_onPlayerQuit146.handle(Unknown Source) ~[?:?]
	at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.10.2-2123-5.1.0-BETA-1925]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:357) [SpongeModEventManager.class:1.10.2-2123-5.1.0-BETA-1925]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:340) [SpongeModEventManager.class:1.10.2-2123-5.1.0-BETA-1925]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:385) [SpongeModEventManager.class:1.10.2-2123-5.1.0-BETA-1925]
	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:370) [SpongeModEventManager.class:1.10.2-2123-5.1.0-BETA-1925]
	at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:141) [SpongeImpl.class:1.10.2-2123-5.1.0-BETA-1925]
	at net.minecraft.network.NetHandlerPlayServer.redirect$onDisconnectHandler$zgp000(NetHandlerPlayServer.java:517) [me.class:?]
	at net.minecraft.network.NetHandlerPlayServer.func_147231_a(NetHandlerPlayServer.java:802) [me.class:?]
	at net.minecraft.network.NetworkManager.func_179293_l(NetworkManager.java:451) [eo.class:?]
	at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:213) [md.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:732) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387) [ld.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_74]