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Paper 1.21.11 Server Log

3 errors

139 lines

Detected

Minecraft version: 1.21.11

[16:45:20] [ServerMain/INFO]: [bootstrap] Running Java 25 (Java HotSpot(TM) 64-Bit Server VM 25.0.2+10-LTS-69; Oracle Corporation null) on Windows 11 10.0 (amd64)

[16:45:20] [ServerMain/INFO]: [bootstrap] Loading Paper 1.21.11-111-main@302c47c (2026-02-07T22:59:49Z) for Minecraft 1.21.11

[16:45:20] [ServerMain/WARN]: [oshi.driver.windows.perfmon.PerfmonDisabled] Invalid registry value type detected for PerfOS counters. Should be REG_DWORD. Ignoring: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PerfOS\Performance\Disable Performance Counters.

[16:45:20] [ServerMain/INFO]: [PluginInitializerManager] Initializing plugins...

[16:45:20] [Paper Plugin Remapper Thread - 2/INFO]: [PluginRemapper] Remapping plugin 'plugins\PlayClock-1.0-SNAPSHOT.jar'...

[16:45:20] [Paper Plugin Remapper Thread - 3/INFO]: [PluginRemapper] Remapping plugin 'plugins\ScoreTracker-1.0-SNAPSHOT.jar'...

[16:45:20] [Paper Plugin Remapper Thread - 2/INFO]: [PluginRemapper] Done remapping plugin 'plugins\PlayClock-1.0-SNAPSHOT.jar' in 283ms.

[16:45:20] [Paper Plugin Remapper Thread - 3/INFO]: [PluginRemapper] Done remapping plugin 'plugins\ScoreTracker-1.0-SNAPSHOT.jar' in 299ms.

[16:45:21] [ServerMain/INFO]: [PluginInitializerManager] Initialized 3 plugins

[16:45:21] [ServerMain/INFO]: [PluginInitializerManager] Bukkit plugins (3):

- BasketballMode (1.0-SNAPSHOT), Playclock (1.0), ScoreTracker (1.0)

[16:45:23] [ServerMain/INFO]: Environment: Environment[sessionHost=https://sessionserver.mojang.com, servicesHost=https://api.minecraftservices.com, profilesHost=https://api.mojang.com, name=PROD]

[16:45:24] [ServerMain/INFO]: Loaded 1470 recipes

[16:45:24] [ServerMain/INFO]: Loaded 1584 advancements

[16:45:24] [ServerMain/INFO]: [ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry] Initialising converters for DataConverter...

[16:45:24] [ServerMain/INFO]: [ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry] Finished initialising converters for DataConverter in 169.3ms

[16:45:24] [Server thread/INFO]: Starting minecraft server version 1.21.11

[16:45:24] [Server thread/INFO]: Loading properties

[16:45:24] [Server thread/INFO]: This server is running Paper version 1.21.11-111-main@302c47c (2026-02-07T22:59:49Z) (Implementing API version 1.21.11-R0.1-SNAPSHOT)

[16:45:24] [Server thread/INFO]: [spark] This server bundles the spark profiler. For more information please visit https://docs.papermc.io/paper/profiling

[16:45:24] [Server thread/INFO]: Server Ping Player Sample Count: 12

[16:45:24] [Server thread/INFO]: Using 4 threads for Netty based IO

[16:45:25] [Server thread/INFO]: [MoonriseCommon] Paper is using 7 worker threads, 1 I/O threads

[16:45:25] [Server thread/INFO]: Default game type: SURVIVAL

[16:45:25] [Server thread/INFO]: Generating keypair

[16:45:25] [Server thread/INFO]: Starting Minecraft server on *:25565

[16:45:25] [Server thread/INFO]: Paper: Using Java compression from Velocity.

[16:45:25] [Server thread/INFO]: Paper: Using Java cipher from Velocity.

[16:45:25] [Server thread/WARN]: [org.bukkit.craftbukkit.legacy.CraftLegacy] Initializing Legacy Material Support. Unless you have legacy plugins and/or data this is a bug!

[16:45:29] [Server thread/WARN]: Legacy plugin ScoreTracker v1.0 does not specify an api-version.

[16:45:29] [Server thread/WARN]: Legacy plugin Playclock v1.0 does not specify an api-version.

[16:45:29] [Server thread/ERROR]: Fatal error trying to convert Playclock v1.0:me/datshrek/Playclock/Main.class

org.bukkit.plugin.AuthorNagException: No legacy enum constant for CLOCK. Did you forget to define a modern (1.13+) api-version in your plugin.yml?

at org.bukkit.craftbukkit.util.Commodore$1$1.visitFieldInsn(Commodore.java:392) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at org.objectweb.asm.MethodVisitor.visitFieldInsn(MethodVisitor.java:404) ~[asm-9.8.jar:9.8]

at org.objectweb.asm.commons.MethodRemapper.visitFieldInsn(MethodRemapper.java:145) ~[asm-commons-9.8.jar:9.8]

at org.objectweb.asm.ClassReader.readCode(ClassReader.java:2443) ~[asm-9.8.jar:9.8]

at org.objectweb.asm.ClassReader.readMethod(ClassReader.java:1512) ~[asm-9.8.jar:9.8]

at org.objectweb.asm.ClassReader.accept(ClassReader.java:745) ~[asm-9.8.jar:9.8]

at org.objectweb.asm.ClassReader.accept(ClassReader.java:425) ~[asm-9.8.jar:9.8]

at org.bukkit.craftbukkit.util.Commodore.convert(Commodore.java:238) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at org.bukkit.craftbukkit.util.CraftMagicNumbers.processClass(CraftMagicNumbers.java:402) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:240) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:557) ~[?:?]

at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:180) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:175) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490) ~[?:?]

at java.base/java.lang.Class.forName0(Native Method) ~[?:?]

at java.base/java.lang.Class.forName(Class.java:547) ~[?:?]

at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:82) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProvider.createInstance(SpigotPluginProvider.java:125) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProvider.createInstance(SpigotPluginProvider.java:35) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at io.papermc.paper.plugin.entrypoint.strategy.modern.ModernPluginLoadingStrategy.loadProviders(ModernPluginLoadingStrategy.java:116) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at io.papermc.paper.plugin.storage.SimpleProviderStorage.enter(SimpleProviderStorage.java:38) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enter(LaunchEntryPointHandler.java:39) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:555) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:320) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1258) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:388) ~[paper-1.21.11.jar:1.21.11-111-302c47c]

at java.base/java.lang.Thread.run(Thread.java:1474) ~[?:?]

[16:45:29] [Server thread/INFO]: [BasketballMode] Loading server plugin BasketballMode v1.0-SNAPSHOT

[16:45:29] [Server thread/INFO]: [ScoreTracker] Loading server plugin ScoreTracker v1.0

[16:45:29] [Server thread/INFO]: [Playclock] Loading server plugin Playclock v1.0

[16:45:29] [Server thread/INFO]: Server permissions file permissions.yml is empty, ignoring it

[16:45:29] [Server thread/INFO]: Preparing level "world"

[16:45:29] [Server thread/INFO]: Loading 0 persistent chunks for world 'minecraft:overworld'...

[16:45:29] [Server thread/INFO]: Preparing spawn area: 100%

[16:45:29] [Server thread/INFO]: Prepared spawn area in 2 ms

[16:45:29] [Server thread/INFO]: Loading 0 persistent chunks for world 'minecraft:the_nether'...

[16:45:29] [Server thread/INFO]: Prepared spawn area in 1 ms

[16:45:29] [Server thread/INFO]: Loading 0 persistent chunks for world 'minecraft:the_end'...

[16:45:29] [Server thread/INFO]: Prepared spawn area in 1 ms

[16:45:29] [Server thread/INFO]: Done preparing level "world" (0.299s)

[16:45:29] [Server thread/INFO]: [BasketballMode] Enabling BasketballMode v1.0-SNAPSHOT

[16:45:29] [Server thread/INFO]: [ScoreTracker] Enabling ScoreTracker v1.0*

[16:45:30] [Server thread/ERROR]: Fatal error trying to convert ScoreTracker v1.0:me/datshrek/ScoreTracker/RefMode.class

org.bukkit.plugin.AuthorNagException: No legacy enum constant for GOLDEN_HELMET. Did you forget to define a modern (1.13+) api-version in your plugin.yml?