[11:05:54 INFO]: [bootstrap] Running Java 21 (OpenJDK 64-Bit Server VM 21.0.6+7-LTS; Eclipse Adoptium Temurin-21.0.6+7) on Linux 6.8.0-57-generic (amd64)
[11:05:54 INFO]: [bootstrap] Loading Paper 1.21.4-227-ver/1.21.4@7675321 (2025-04-28T19:07:04Z) for Minecraft 1.21.4
[11:05:54 INFO]: [PluginInitializerManager] Initializing plugins...
[11:05:55 INFO]: [PluginInitializerManager] Initialized 1 plugin
[11:05:55 INFO]: [PluginInitializerManager] Bukkit plugins (1):
- Citizens (2.0.38-SNAPSHOT (build 3786))
[11:05:58 INFO]: Environment: Environment[sessionHost=https://sessionserver.mojang.com, servicesHost=https://api.minecraftservices.com, name=PROD]
[11:05:59 INFO]: Loaded 1370 recipes
[11:05:59 INFO]: Loaded 0 advancements
[11:05:59 INFO]: [MCTypeRegistry] Initialising converters for DataConverter...
[11:05:59 INFO]: [MCTypeRegistry] Finished initialising converters for DataConverter in 166.2ms
[11:05:59 INFO]: Starting minecraft server version 1.21.4
[11:05:59 INFO]: Loading properties
[11:05:59 INFO]: This server is running Paper version 1.21.4-227-ver/1.21.4@7675321 (2025-04-28T19:07:04Z) (Implementing API version 1.21.4-R0.1-SNAPSHOT)
[11:05:59 INFO]: Server Ping Player Sample Count: 12
[11:05:59 INFO]: Using 4 threads for Netty based IO
[11:06:00 INFO]: [MoonriseCommon] Paper is using 1 worker threads, 1 I/O threads
[11:06:00 INFO]: [ChunkTaskScheduler] Chunk system is using population gen parallelism: true
[11:06:00 INFO]: Default game type: ADVENTURE
[11:06:00 INFO]: Generating keypair
[11:06:00 INFO]: Starting Minecraft server on 0.0.0.0:5012
[11:06:00 INFO]: Using epoll channel type
[11:06:00 INFO]: Paper: Using libdeflate (Linux x86_64) compression from Velocity.
[11:06:00 INFO]: Paper: Using OpenSSL 3.x.x (Linux x86_64) cipher from Velocity.
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loading 5 libraries... please wait
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/ch/ethz/globis/phtree/phtree/2.8.2/phtree-2.8.2.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/org/joml/joml/1.10.8/joml-1.10.8.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/it/unimi/dsi/fastutil/8.5.15/fastutil-8.5.15.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-platform-bukkit/4.3.4/adventure-platform-bukkit-4.3.4.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-platform-api/4.3.4/adventure-platform-api-4.3.4.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-text-serializer-bungeecord/4.3.4/adventure-text-serializer-bungeecord-4.3.4.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-text-serializer-legacy/4.13.1/adventure-text-serializer-legacy-4.13.1.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-nbt/4.13.1/adventure-nbt-4.13.1.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/examination-api/1.3.0/examination-api-1.3.0.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/examination-string/1.3.0/examination-string-1.3.0.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/org/jetbrains/annotations/24.0.1/annotations-24.0.1.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-text-serializer-gson/4.13.1/adventure-text-serializer-gson-4.13.1.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-text-serializer-gson-legacy-impl/4.13.1/adventure-text-serializer-gson-legacy-impl-4.13.1.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-platform-facet/4.3.4/adventure-platform-facet-4.3.4.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-platform-viaversion/4.3.4/adventure-platform-viaversion-4.3.4.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-text-minimessage/4.20.0/adventure-text-minimessage-4.20.0.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-api/4.20.0/adventure-api-4.20.0.jar
[11:06:00 INFO]: [SpigotLibraryLoader] [Citizens] Loaded library /libraries/net/kyori/adventure-key/4.20.0/adventure-key-4.20.0.jar
[11:06:00 INFO]: [Citizens] Loading server plugin Citizens v2.0.38-SNAPSHOT (build 3786)
[11:06:00 INFO]: Server permissions file permissions.yml is empty, ignoring it
[11:06:00 INFO]: Preparing level "world"
[11:06:00 INFO]: Preparing start region for dimension minecraft:overworld
[11:06:00 INFO]: Preparing spawn area: 0%
[11:06:01 INFO]: Time elapsed: 417 ms
[11:06:01 INFO]: [Citizens] Enabling Citizens v2.0.38-SNAPSHOT (build 3786)
[11:06:01 INFO]: [Citizens] Using mojmapped server, avoiding server package checks
[11:06:01 ERROR]: [Citizens] Could not fetch NMS field bT: [[bT.
[11:06:01 ERROR]: [Citizens] Could not fetch NMS field bT: [[null.
[11:06:01 ERROR]: Error occurred while enabling Citizens v2.0.38-SNAPSHOT (build 3786) (Is it up to date?)
java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_21_R4/boss/CraftBossBar
at Citizens-2.0.38-b3786.jar/net.citizensnpcs.nms.v1_21_R4.util.NMSImpl.<clinit>(NMSImpl.java:2744) ~[Citizens-2.0.38-b3786.jar:?]
at java.base/java.lang.Class.forName0(Native Method) ~[?:?]
at java.base/java.lang.Class.forName(Class.java:534) ~[?:?]
at java.base/java.lang.Class.forName(Class.java:513) ~[?:?]
at io.papermc.reflectionrewriter.runtime.AbstractDefaultRulesReflectionProxy.forName(AbstractDefaultRulesReflectionProxy.java:68) ~[reflection-rewriter-runtime-0.0.3.jar:?]
at io.papermc.paper.pluginremap.reflect.PaperReflectionHolder.forName(Unknown Source) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at Citizens-2.0.38-b3786.jar/net.citizensnpcs.api.util.SpigotUtil.lambda$getMinecraftPackage$1(SpigotUtil.java:175) ~[Citizens-2.0.38-b3786.jar:?]
at Citizens-2.0.38-b3786.jar/net.citizensnpcs.api.util.SpigotUtil.getMinecraftPackage(SpigotUtil.java:180) ~[Citizens-2.0.38-b3786.jar:?]
at Citizens-2.0.38-b3786.jar/net.citizensnpcs.Citizens.onEnable(Citizens.java:326) ~[Citizens-2.0.38-b3786.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:280) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:202) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:109) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:520) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.CraftServer.enablePlugin(CraftServer.java:658) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:607) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:743) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:488) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:322) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1163) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:310) ~[paper-1.21.4.jar:1.21.4-227-7675321]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_21_R4.boss.CraftBossBar
at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:197) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:164) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?]
... 21 more
[11:06:01 INFO]: [Citizens] Disabling Citizens v2.0.38-SNAPSHOT (build 3786)
[11:06:01 INFO]: Done preparing level "world" (0.840s)
[11:06:01 INFO]: Running delayed init tasks
[11:06:01 INFO]: Done (7.167s)! For help, type "help"