✓ DarkerNights 2.1

[00:36:28 INFO]: [DarkerNights] Enabling DarkerNights v2.1
[00:36:28 ERROR]: Error occurred while enabling DarkerNights v2.1 (Is it up to date?)
java.lang.NoClassDefFoundError: net/minecraft/network/protocol/game/ClientboundLevelChunkWithLightPacket
at software.intelli.darkernights.model.Handler.performInitialization(Handler.java:157) ~[DarkerNights-2.1.jar:?]
at software.intelli.darkernights.DarkerNights.onEnable(DarkerNights.java:52) ~[DarkerNights-2.1.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[patched_1.17.1.jar:git-Paper-411]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[patched_1.17.1.jar:git-Paper-411]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[patched_1.17.1.jar:git-Paper-411]
at org.bukkit.craftbukkit.v1_17_R1.CraftServer.enablePlugin(CraftServer.java:561) ~[patched_1.17.1.jar:git-Paper-411]
at org.bukkit.craftbukkit.v1_17_R1.CraftServer.enablePlugins(CraftServer.java:475) ~[patched_1.17.1.jar:git-Paper-411]
at net.minecraft.server.MinecraftServer.loadWorld(MinecraftServer.java:733) ~[patched_1.17.1.jar:git-Paper-411]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:317) ~[patched_1.17.1.jar:git-Paper-411]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1220) ~[patched_1.17.1.jar:git-Paper-411]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[patched_1.17.1.jar:git-Paper-411]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.lang.ClassNotFoundException: net.minecraft.network.protocol.game.ClientboundLevelChunkWithLightPacket
at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:151) ~[patched_1.17.1.jar:git-Paper-411]
at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:103) ~[patched_1.17.1.jar:git-Paper-411]
at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?]
... 12 more
[00:36:28 INFO]: [DarkerNights] Disabling DarkerNights v2.1

update pls

Please update