hacked

[00:32:48] [Server thread/ERROR]: Error occurred while enabling HackedServer v2.80.0 (Is it up to date?)
java.lang.IllegalArgumentException: Cannot find net.minecraft.server.v1_18_R1.PacketDataSerializer
	at io.th0rgal.hackedserver.utils.tinyprotocol.Reflection.getCanonicalClass(Reflection.java:372) ~[HackedServer.jar:?]
	at io.th0rgal.hackedserver.utils.tinyprotocol.Reflection.getClass(Reflection.java:339) ~[HackedServer.jar:?]
	at io.th0rgal.hackedserver.utils.multiversion.PacketListenerV3.<init>(PacketListenerV3.java:23) ~[HackedServer.jar:?]
	at io.th0rgal.hackedserver.events.EventsManager.registerEvents(EventsManager.java:33) ~[HackedServer.jar:?]
	at io.th0rgal.hackedserver.Core.onEnable(Core.java:90) ~[HackedServer.jar:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
	at org.bukkit.craftbukkit.v1_18_R1.CraftServer.enablePlugin(CraftServer.java:563) ~[paper-1.18.1.jar:git-Paper-81]
	at org.bukkit.craftbukkit.v1_18_R1.CraftServer.enablePlugins(CraftServer.java:477) ~[paper-1.18.1.jar:git-Paper-81]
	at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:727) ~[paper-1.18.1.jar:git-Paper-81]
	at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:503) ~[paper-1.18.1.jar:git-Paper-81]
	at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:313) ~[paper-1.18.1.jar:git-Paper-81]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1202) ~[paper-1.18.1.jar:git-Paper-81]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) ~[paper-1.18.1.jar:git-Paper-81]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_18_R1.PacketDataSerializer
	at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:151) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
	at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:103) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?]
	at java.lang.Class.forName0(Native Method) ~[?:?]
	at java.lang.Class.forName(Class.java:375) ~[?:?]
	at io.th0rgal.hackedserver.utils.tinyprotocol.Reflection.getCanonicalClass(Reflection.java:370) ~[HackedServer.jar:?]
	... 15 more