[22:26:06 INFO]: [ItemsAdder] Enabling ItemsAdder v4.0.1-alpha-test-5
[22:26:06 ERROR]: Error occurred while enabling ItemsAdder v4.0.1-alpha-test-5 (Is it up to date?)
java.lang.NullPointerException: Cannot invoke "lonelibs.dev.lone.fastnbt.nms.Version.ordinal()" because the return value of "lonelibs.dev.lone.fastnbt.nms.Version.get()" is null
        at ItemsAdder_4.0.1-alpha-test-5.jar/ia.m.iO.jF(SourceFile:143) ~[ItemsAdder_4.0.1-alpha-test-5.jar:?]
        at ItemsAdder_4.0.1-alpha-test-5.jar/ia.m.iO.jE(SourceFile:88) ~[ItemsAdder_4.0.1-alpha-test-5.jar:?]
        at ItemsAdder_4.0.1-alpha-test-5.jar/dev.lone.itemsadder.Main.onEnable(SourceFile:186) ~[ItemsAdder_4.0.1-alpha-test-5.jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:288) ~[paper-api-1.21-R0.1-SNAPSHOT.jar:?]
        at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:202) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:109) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:520) ~[paper-api-1.21-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.CraftServer.enablePlugin(CraftServer.java:629) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:578) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:690) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:452) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:327) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1157) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:329) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
[22:26:06 INFO]: [ItemsAdder] Disabling ItemsAdder v4.0.1-alpha-test-5
[22:26:06 ERROR]: Error occurred while disabling ItemsAdder v4.0.1-alpha-test-5
java.lang.ExceptionInInitializerError: null
        at ItemsAdder_4.0.1-alpha-test-5.jar/dev.lone.itemsadder.Main.onDisable(SourceFile:661) ~[ItemsAdder_4.0.1-alpha-test-5.jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:291) ~[paper-api-1.21-R0.1-SNAPSHOT.jar:?]
        at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.disablePlugin(PaperPluginInstanceManager.java:237) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.disablePlugin(PaperPluginManagerImpl.java:114) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:550) ~[paper-api-1.21-R0.1-SNAPSHOT.jar:?]
        at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:206) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:109) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:520) ~[paper-api-1.21-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.CraftServer.enablePlugin(CraftServer.java:629) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:578) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:690) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:452) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:327) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1157) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:329) ~[paper-1.21.jar:1.21-40-b45d9b6]
        at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
Caused by: java.lang.NullPointerException: Cannot read field "protocol" because the return value of "lonelibs.dev.lone.fastnbt.nms.Version.get()" is null
        at LoneLibs.jar/lonelibs.dev.lone.fastnbt.nms.Version.isAtLeast(Version.java:64) ~[LoneLibs.jar:?]
        at ItemsAdder_4.0.1-alpha-test-5.jar/ia.m.jO.<clinit>(SourceFile:96) ~[ItemsAdder_4.0.1-alpha-test-5.jar:?]
        ... 16 more