[20:50:22] [Server thread/ERROR]: Error occurred while enabling ItemsAdder v3.6.2-beta-r4 (Is it up to date?)
java.lang.NullPointerException: Cannot invoke "com.comphenix.protocol.ProtocolManager.getMinecraftVersion()" because the return value of "com.comphenix.protocol.ProtocolLibrary.getProtocolManager()" is null
	at ia.nms.hT.hT.Q(SourceFile:715) ~[ItemsAdder_3.6.2-beta-r4.jar:?]
	at ia.nms.hZ.c.b(SourceFile:163) ~[ItemsAdder_3.6.2-beta-r4.jar:?]
	at dev.lone.itemsadder.Main.onEnable(SourceFile:261) ~[ItemsAdder_3.6.2-beta-r4.jar:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:281) ~[paper-api-1.20.1-R0.1-SNAPSHOT.jar:?]
	at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:189) ~[paper-1.20.1.jar:git-Paper-196]
	at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:104) ~[paper-1.20.1.jar:git-Paper-196]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:507) ~[paper-api-1.20.1-R0.1-SNAPSHOT.jar:?]
	at org.bukkit.craftbukkit.v1_20_R1.CraftServer.enablePlugin(CraftServer.java:642) ~[paper-1.20.1.jar:git-Paper-196]
	at org.bukkit.craftbukkit.v1_20_R1.CraftServer.enablePlugins(CraftServer.java:553) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:635) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:434) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:308) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1100) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) ~[paper-1.20.1.jar:git-Paper-196]
	at java.lang.Thread.run(Thread.java:840) ~[?:?]
[20:50:22] [Server thread/INFO]: [ItemsAdder] Disabling ItemsAdder v3.6.2-beta-r4
[20:50:22] [Server thread/ERROR]: Error occurred (in the plugin loader) while disabling ItemsAdder v3.6.2-beta-r4 (Is it up to date?)
java.lang.NullPointerException: Cannot invoke "com.comphenix.protocol.ProtocolManager.removePacketListeners(org.bukkit.plugin.Plugin)" because the return value of "com.comphenix.protocol.ProtocolLibrary.getProtocolManager()" is null
	at dev.lone.itemsadder.Main.onDisable(SourceFile:732) ~[ItemsAdder_3.6.2-beta-r4.jar:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:283) ~[paper-api-1.20.1-R0.1-SNAPSHOT.jar:?]
	at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.disablePlugin(PaperPluginInstanceManager.java:224) ~[paper-1.20.1.jar:git-Paper-196]
	at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.disablePlugin(PaperPluginManagerImpl.java:109) ~[paper-1.20.1.jar:git-Paper-196]
	at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:537) ~[paper-api-1.20.1-R0.1-SNAPSHOT.jar:?]
	at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:193) ~[paper-1.20.1.jar:git-Paper-196]
	at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:104) ~[paper-1.20.1.jar:git-Paper-196]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:507) ~[paper-api-1.20.1-R0.1-SNAPSHOT.jar:?]
	at org.bukkit.craftbukkit.v1_20_R1.CraftServer.enablePlugin(CraftServer.java:642) ~[paper-1.20.1.jar:git-Paper-196]
	at org.bukkit.craftbukkit.v1_20_R1.CraftServer.enablePlugins(CraftServer.java:553) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:635) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:434) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:308) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1100) ~[paper-1.20.1.jar:git-Paper-196]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) ~[paper-1.20.1.jar:git-Paper-196]
	at java.lang.Thread.run(Thread.java:840) ~[?:?]