[18:31:08] [Server thread/ERROR]: Could not pass event FPlayerLeaveEvent to GSGPrinter v1.0
java.lang.NullPointerException
	at com.gameservergroup.gsgprinter.units.UnitPrinter.disablePrinter(UnitPrinter.java:331) ~[?:?]
	at com.gameservergroup.gsgprinter.units.UnitPrinter.disablePrinter(UnitPrinter.java:324) ~[?:?]
	at com.gameservergroup.gsgprinter.integration.impl.factions.LockedThreadFactionsUUIDImpl.lambda$setupListeners$3(LockedThreadFactionsUUIDImpl.java:37) ~[?:?]
	at com.gameservergroup.gsgcore.events.EventPostExecutor.execute(EventPostExecutor.java:45) ~[?:?]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:508) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:493) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at com.massivecraft.factions.zcore.persist.MemoryFPlayer.leave(MemoryFPlayer.java:813) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.cmd.CmdLeave.perform(CmdLeave.java:30) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.zcore.MCommand.execute(MCommand.java:124) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.cmd.FCommand.execute(FCommand.java:50) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.zcore.MCommand.execute(MCommand.java:110) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.cmd.FCommand.execute(FCommand.java:50) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.zcore.MCommand.execute(MCommand.java:128) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.zcore.MPlugin.handleCommand(MPlugin.java:291) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.zcore.MPlugin.handleCommand(MPlugin.java:259) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.P.handleCommand(P.java:317) [factions-1.0-SNAPSHOT.jar:?]
	at com.massivecraft.factions.P.onCommand(P.java:328) [factions-1.0-SNAPSHOT.jar:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at com.massivecraft.massivelag.inject.MassiveLagCommandMap.dispatch(MassiveLagCommandMap.java:98) [MassiveLag.jar:?]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:667) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1178) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:991) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_171]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_171]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:785) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:427) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:724) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:627) [BeerSpigot.jar:git-TacoSpigot-bf023c7d]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]