[13:49:22 ERROR]: [server connection] WhateverSpace69 -> lobby: exception encountered in com.velocitypowered.proxy.connection.backend.LoginSessionHandler@d65446b
java.lang.IllegalStateException: Backend server is online-mode!
        at com.velocitypowered.proxy.connection.backend.LoginSessionHandler.handle(LoginSessionHandler.java:74) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at com.velocitypowered.proxy.protocol.packet.EncryptionRequestPacket.handle(EncryptionRequestPacket.java:87) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at com.velocitypowered.proxy.connection.MinecraftConnection.channelRead(MinecraftConnection.java:153) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at com.velocitypowered.proxy.protocol.netty.AutoReadHolderHandler.channelRead(AutoReadHolderHandler.java:57) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at com.velocitypowered.proxy.protocol.netty.MinecraftDecoder.tryDecode(MinecraftDecoder.java:92) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at com.velocitypowered.proxy.protocol.netty.MinecraftDecoder.channelRead(MinecraftDecoder.java:61) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:800) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:509) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:407) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[velocity.jar:3.3.0-SNAPSHOT (git-2c8355fc-b368)]
        at java.base/java.lang.Thread.run(Thread.java:840) [?:?]
[13:49:22 INFO]: [server connection] WhateverSpace69 -> lobby has disconnected