java.lang.IllegalStateException: Backend server is online-mode!
        at com.velocitypowered.proxy.connection.backend.LoginSessionHandler.handle(LoginSessionHandler.java:79) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at com.velocitypowered.proxy.protocol.packet.EncryptionRequestPacket.handle(EncryptionRequestPacket.java:94) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at com.velocitypowered.proxy.connection.MinecraftConnection.channelRead(MinecraftConnection.java:153) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at com.velocitypowered.proxy.protocol.netty.AutoReadHolderHandler.channelRead(AutoReadHolderHandler.java:57) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at com.velocitypowered.proxy.protocol.netty.MinecraftDecoder.tryDecode(MinecraftDecoder.java:91) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at com.velocitypowered.proxy.protocol.netty.MinecraftDecoder.channelRead(MinecraftDecoder.java:60) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:289) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:799) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:501) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:399) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[velocity.jar:3.4.0-SNAPSHOT (git-4aa9ee77-b455)]
        at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]
[21:06:10 INFO]: [connected player] Cristaf1 (/**.**.**.**:56255) has disconnected: Unable to connect you to main. Please try again later.