Describe the bug
I have an error like this:
>.... [23:11:10 ERROR]: [FastLogin] Couldn't enable encryption java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_262] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_262] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_262] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_262] at com.github.games647.fastlogin.bukkit.listener.protocollib.VerifyResponseTask.enableEncryption(VerifyResponseTask.java:184) ~[?:?] at com.github.games647.fastlogin.bukkit.listener.protocollib.VerifyResponseTask.verifyResponse(VerifyResponseTask.java:87) ~[?:?] at com.github.games647.fastlogin.bukkit.listener.protocollib.VerifyResponseTask.run(VerifyResponseTask.java:63) ~[?:?] at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1640) ~[?:1.8.0_262] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_262] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_262] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_262] Caused by: java.util.NoSuchElementException: splitter at io.netty.channel.DefaultChannelPipeline.getContextOrDie(DefaultChannelPipeline.java:1119) ~[patched_1.16.3.jar:git-Paper-246] at io.netty.channel.DefaultChannelPipeline.addBefore(DefaultChannelPipeline.java:260) ~[patched_1.16.3.jar:git-Paper-246] at io.netty.channel.DefaultChannelPipeline.addBefore(DefaultChannelPipeline.java:249) ~[patched_1.16.3.jar:git-Paper-246] at com.comphenix.protocol.injector.netty.PipelineProxy.addBefore(PipelineProxy.java:61) ~[?:?] at com.comphenix.protocol.injector.netty.ChannelInjector$3$1.addBefore(ChannelInjector.java:287) ~[?:?] at net.minecraft.server.v1_16_R2.NetworkManager.a(NetworkManager.java:438) ~[patched_1.16.3.jar:git-Paper-246] ... 11 more

Version Info
https://pastebin.com/VZSJUp2n

Additional context
When someone wants to connect to the server