ia 1.21.1 is not work?
[15:25:08 ERROR]: Error occurred while enabling ItemsAdder v4.0.2-alpha-test-3 (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_4.0.2-alpha-test-3.jar/ia.m.iQ.jF(SourceFile:46) \~[ItemsAdder_4.0.2-alpha-test-3.jar:?]
at ItemsAdder_4.0.2-alpha-test-3.jar/ia.m.iQ.jG(SourceFile:97) \~[ItemsAdder_4.0.2-alpha-test-3.jar:?]
at ItemsAdder_4.0.2-alpha-test-3.jar/dev.lone.itemsadder.Main.onEnable(SourceFile:186) \~[ItemsAdder_4.0.2-alpha-test-3.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:288) \~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:202) \~[purpur-1.21.1.jar:1.21.1-2293-3510a9e]
at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:109) \~[purpur-1.21.1.jar:1.21.1-2293-3510a9e]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:520) \~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.CraftServer.enablePlugin(CraftServer.java:654) \~[purpur-1.21.1.jar:1.21.1-2293-3510a9e]
at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:603) \~[purpur-1.21.1.jar:1.21.1-2293-3510a9e]
at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:758) \~[purpur-1.21.1.jar:1.21.1-2293-3510a9e]
at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:520) \~[purpur-1.21.1.jar:1.21.1-2293-3510a9e]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:366) \~[purpur-1.21.1.jar:1.21.1-2293-3510a9e]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1231) \~[purpur-1.21.1.jar:1.21.1-2293-3510a9e]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334) \~[purpur-1.21.1.jar:1.21.1-2293-3510a9e]
at java.base/java.lang.Thread.run(Thread.java:1570) \~[?:?]
I have a question, but I can't see the LoneDev's discord support channel. I think my account has a problem, so I don't have any permissions. I'm only getting messages that I already linked your SpigotMC account., is there a way to fix this?