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java.lang.NullPointerException: 	at java.util.Objects.requireNonNull(Objects.java:203)	at java.util.Optional.(Optional.java:96)	at java.util.Optional.of(Optional.java:108)	at io.github.nucleuspowered.nucleus.modules.kit.handlers.KitHandler.getKit(KitHandler.java:30)	at io.github.nucleuspowered.nucleus.argumentparsers.KitParser.parseValue(KitParser.java:42)	at org.spongepowered.api.command.args.CommandElement.parse(CommandElement.java:83)	at org.spongepowered.api.command.args.GenericArguments$OnlyOneCommandElement.parse(GenericArguments.java:1382)	at org.spongepowered.api.command.args.GenericArguments$SequenceCommandElement.parse(GenericArguments.java:273)	at org.spongepowered.api.command.args.GenericArguments$FirstParsingCommandElement.parse(GenericArguments.java:422)	at org.spongepowered.api.command.spec.CommandSpec.populateContext(CommandSpec.java:284)	at org.spongepowered.api.command.spec.CommandSpec.process(CommandSpec.java:330)	at org.spongepowered.api.command.dispatcher.SimpleDispatcher.process(SimpleDispatcher.java:331)	at org.spongepowered.common.command.SpongeCommandManager.process(SpongeCommandManager.java:269)	at net.minecraft.command.ServerCommandManager.func_71556_a(SourceFile:80)	at net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:815)	at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:794)	at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:37)	at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:9)	at org.spongepowered.common.network.PacketUtil.onProcessPacket(PacketUtil.java:119)	at net.minecraft.network.PacketThreadUtil$1.redirect$onProcessPacket$0(SourceFile:39)	at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at net.minecraft.util.Util.func_181617_a(SourceFile:44)	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:660)	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344)	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605)	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481)	at java.lang.Thread.run(Thread.java:745)