[12:47:03] [Server thread/INFO]: LoooWy issued server command: /npc
[12:47:03] [Server thread/WARN]: java.lang.NoClassDefFoundError: clib/net/kyori/adventure/text/minimessage/tag/resolver/TagResolver
[12:47:03] [Server thread/WARN]:         at net.citizensnpcs.api.command.CommandManager.executeSafe(CommandManager.java:243)
[12:47:03] [Server thread/WARN]:         at net.citizensnpcs.Citizens.onCommand(Citizens.java:337)
[12:47:03] [Server thread/WARN]:         at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
[12:47:03] [Server thread/WARN]:         at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149)
[12:47:03] [Server thread/WARN]:         at org.bukkit.craftbukkit.v1_20_R1.CraftServer.dispatchCommand(CraftServer.java:871)
[12:47:03] [Server thread/WARN]:         at org.bukkit.craftbukkit.v1_20_R1.command.BukkitCommandWrapper.run(BukkitCommandWrapper.java:50)
[12:47:03] [Server thread/WARN]:         at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:265)
[12:47:03] [Server thread/WARN]:         at net.minecraft.commands.CommandDispatcher.performCommand(CommandDispatcher.java:314)
[12:47:03] [Server thread/WARN]:         at net.minecraft.commands.CommandDispatcher.a(CommandDispatcher.java:298)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.network.PlayerConnection.a(PlayerConnection.java:1960)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.network.PlayerConnection.lambda$18(PlayerConnection.java:1922)
[12:47:03] [Server thread/WARN]:         at net.minecraft.util.thread.IAsyncTaskHandler.b(SourceFile:67)
[12:47:03] [Server thread/WARN]:         at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.TickTask.run(SourceFile:18)
[12:47:03] [Server thread/WARN]:         at net.minecraft.util.thread.IAsyncTaskHandler.d(SourceFile:156)
[12:47:03] [Server thread/WARN]:         at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.d(SourceFile:23)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1152)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:1)
[12:47:03] [Server thread/WARN]:         at net.minecraft.util.thread.IAsyncTaskHandler.x(SourceFile:130)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.bg(MinecraftServer.java:1131)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1124)
[12:47:03] [Server thread/WARN]:         at net.minecraft.util.thread.IAsyncTaskHandler.c(SourceFile:139)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.p_(MinecraftServer.java:1108)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1019)
[12:47:03] [Server thread/WARN]:         at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:304)
[12:47:03] [Server thread/WARN]:         at java.base/java.lang.Thread.run(Thread.java:833)
[12:47:03] [Server thread/WARN]: Caused by: java.lang.ClassNotFoundException: clib.net.kyori.adventure.text.minimessage.tag.resolver.TagResolver
[12:47:03] [Server thread/WARN]:         at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:147)
[12:47:03] [Server thread/WARN]:         at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:99)
[12:47:03] [Server thread/WARN]:         at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
[12:47:03] [Server thread/WARN]:         ... 26 more
[12:47:03] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'npc' in plugin Citizens v2.0.33-SNAPSHOT (build 3266)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.v1_20_R1.CraftServer.dispatchCommand(CraftServer.java:871) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at org.bukkit.craftbukkit.v1_20_R1.command.BukkitCommandWrapper.run(BukkitCommandWrapper.java:50) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:265) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:?]
        at net.minecraft.commands.CommandDispatcher.performCommand(CommandDispatcher.java:314) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.commands.CommandDispatcher.a(CommandDispatcher.java:298) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.server.network.PlayerConnection.a(PlayerConnection.java:1960) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.server.network.PlayerConnection.lambda$18(PlayerConnection.java:1922) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.util.thread.IAsyncTaskHandler.b(SourceFile:67) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?]
        at net.minecraft.server.TickTask.run(SourceFile:18) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.util.thread.IAsyncTaskHandler.d(SourceFile:156) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.d(SourceFile:23) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1152) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:1) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.util.thread.IAsyncTaskHandler.x(SourceFile:130) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.server.MinecraftServer.bg(MinecraftServer.java:1131) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1124) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.util.thread.IAsyncTaskHandler.c(SourceFile:139) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.server.MinecraftServer.p_(MinecraftServer.java:1108) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1019) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:304) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3815-Spigot-64b565e-9f64f0d]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.lang.NoClassDefFoundError: clib/net/kyori/adventure/text/minimessage/tag/resolver/TagResolver
        at net.citizensnpcs.api.command.CommandManager.executeSafe(CommandManager.java:259) ~[?:?]
        at net.citizensnpcs.Citizens.onCommand(Citizens.java:337) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        ... 23 more
Caused by: java.lang.ClassNotFoundException: clib.net.kyori.adventure.text.minimessage.tag.resolver.TagResolver
        at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:147) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:99) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?]
        at net.citizensnpcs.api.command.CommandManager.executeSafe(CommandManager.java:259) ~[?:?]
        at net.citizensnpcs.Citizens.onCommand(Citizens.java:337) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]

1.3266不支持1.20.1，需要降低版本（重要）
2.请使用paper或基于paper的分支段（不重要）

降到什么版本

2.0.32 的，构建链接：https://ci.citizensnpcs.co/job/Citizens2/3151/