[20:11:10] [Server thread/ERROR] [Sponge]: Could not pass MessageChannelEvent$Chat$Impl to Plugin{id=spongechat, name=Chat, version=0.1, source=/home/ftp/Luffycraft/lLuffy/./mods/plugins/spongechat-1.0-SNAPSHOT (4).jar}
java.lang.NullPointerException
        at ru.mcskill.spongechat.Chat.getPrefixForPlayer(Chat.java:159) ~[Chat.class:?]
        at ru.mcskill.spongechat.Chat.onChatMessage(Chat.java:79) ~[Chat.class:?]
        at org.spongepowered.common.event.listener.ChatListener_Chat_onChatMessage19.handle(Unknown Source) ~[?:?]
        at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.10.2-2477-5.2.0-BETA-2637]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:313) ~[SpongeModEventManager.class:1.10.2-2477-5.2.0-BETA-2637]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:271) ~[SpongeModEventManager.class:1.10.2-2477-5.2.0-BETA-2637]
        at net.minecraftforge.fml.common.eventhandler.EventBus.postForgeAndCreateSpongeEvent(EventBus.java:595) ~[EventBus.class:?]
        at net.minecraft.network.NetHandlerPlayServer.handler$injectChatEvent$zoo000(NetHandlerPlayServer.java:2549) ~[me.class:?]
        at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:897) ~[me.class:?]
        at net.minecraft.network.play.client.CPacketChatMessage.func_148833_a(SourceFile:37) ~[im.class:?]
        at net.minecraft.network.play.client.CPacketChatMessage.func_148833_a(SourceFile:9) ~[im.class:?]
        at org.spongepowered.common.network.PacketUtil.lambda$onProcessPacket$0(PacketUtil.java:157) ~[PacketUtil.class:1.10.2-2477-5.2.0-BETA-2637]
        at org.spongepowered.common.event.tracking.CauseTracker.switchToPhase(CauseTracker.java:163) [CauseTracker.class:1.10.2-2477-5.2.0-BETA-2637]
        at org.spongepowered.common.network.PacketUtil.onProcessPacket(PacketUtil.java:156) [PacketUtil.class:1.10.2-2477-5.2.0-BETA-2637]
        at net.minecraft.network.PacketThreadUtil$1.redirect$onProcessPacket$zjj000(SourceFile:539) [fl$1.class:?]
        at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) [fl$1.class:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_131]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_131]
        at net.minecraft.util.Util.func_181617_a(SourceFile:45) [h.class:?]
        at org.spongepowered.common.SpongeImplHooks.onUtilRunTask(SpongeImplHooks.java:239) [SpongeImplHooks.class:1.10.2-2477-5.2.0-BETA-2637]
        at net.minecraft.server.MinecraftServer.redirect$onRun$zhp000(MinecraftServer.java:3948) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:668) [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:748) [?:1.8.0_131]