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java.lang.IllegalStateException: void future	at io.netty.channel.VoidChannelPromise.fail(VoidChannelPromise.java:178)	at io.netty.channel.VoidChannelPromise.addListener(VoidChannelPromise.java:44)	at io.netty.channel.VoidChannelPromise.addListener(VoidChannelPromise.java:24)	at net.md_5.bungee.netty.ChannelWrapper.write(ChannelWrapper.java:54)	at net.md_5.bungee.UserConnection$1.sendPacket(UserConnection.java:155)	at net.md_5.bungee.UserConnection.setCompressionThreshold(UserConnection.java:629)	at net.md_5.bungee.connection.InitialHandler$6$1.run(InitialHandler.java:506)	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:418)	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:312)	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:873)	at java.lang.Thread.run(Thread.java:745)