[15:44:56] [modloading-worker-0/ERROR] [ne.mi.fm.ja.FMLModContainer/LOADING]: Failed to create mod instance. ModID: luckperms, class me.lucko.luckperms.forge.loader.ForgeLoaderPlugin
java.lang.NoSuchMethodError: 'net.minecraftforge.eventbus.api.bus.BusGroup net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext.getModBusGroup()'
at TRANSFORMER/
luckperms@5.5.11/me.lucko.luckperms.forge.loader.ForgeLoaderPlugin.<init>(ForgeLoaderPlugin.java:64) ~[LuckPerms-Forge-5.5.11.jar!/:5.5.11]
at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) ~[?:?]
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) ~[?:?]
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486) ~[?:?]
at LAYER PLUGIN/
net.minecraftforge.javafmlmod@1.21.4-54.1.0/net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:144) ~[javafmllanguage-1.21.4-54.1.0.jar!/:54.1.0]
at LAYER PLUGIN/
net.minecraftforge.fmlcore@1.21.4-54.1.0/net.minecraftforge.fml.ModStateTransitionHelper.lambda$addCompletableFutureTaskForModDispatch$5(ModStateTransitionHelper.java:117) ~[fmlcore-1.21.4-54.1.0.jar!/:1.0]
at java.base/java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:787) [?:?]
at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:483) [?:?]
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387) [?:?]
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1310) [?:?]
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1841) [?:?]
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1806) [?:?]
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) [?:?]
Transformer Audit:
me.lucko.luckperms.forge.loader.ForgeLoaderPlugin
REASON: classloading
[15:44:56] [modloading-worker-0/INFO] [ne.mi.co.MinecraftForge/FORGE]: MinecraftForge v54.1.0 Initialized
[15:44:56] [modloading-worker-0/INFO] [ne.mi.co.ForgeMod/FORGEMOD]: Opening jdk.naming.dns/com.sun.jndi.dns to java.naming
[15:44:56] [main/FATAL] [ne.mi.fm.ModLoader/LOADING]: Failed to complete lifecycle event CONSTRUCT, 1 errors found
[15:44:56] [main/ERROR] [minecraft/CrashReport]: Negative index in crash report handler (21/23)
[15:44:56] [main/FATAL] [ne.mi.co.ForgeMod/]: Preparing crash report with UUID d1815e02-22f1-4727-989b-55d10807e457
[15:44:56] [main/FATAL] [ne.mi.se.lo.ServerModLoader/]: Crash report saved to .\crash-reports\crash-2025-09-01_15.44.56-fml.txt
[15:44:56] [main/FATAL] [ne.mi.co.ForgeMod/]: Preparing crash report with UUID a0052f10-4249-4b66-9136-e7a8f6044e46
---- Minecraft Crash Report ----
// Don't do that.
Time: 2025-09-01 15:44:56
Description: Mod loading error has occurred
java.lang.Exception: Mod Loading has failed
at TRANSFORMER/
net.minecraftforge.forge@54.1.0/net.minecraftforge.logging.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:49) ~[forge-1.21.4-54.1.0-universal.jar:?]
at TRANSFORMER/
net.minecraftforge.forge@54.1.0/net.minecraftforge.server.loading.ServerModLoader.load(ServerModLoader.java:37) ~[forge-1.21.4-54.1.0-universal.jar:?]
at TRANSFORMER/
minecraft@1.21.4/net.minecraft.server.Main.main(Main.java:133) ~[forge-1.21.4-54.1.0-server.jar:?]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
at SECURE-BOOTSTRAP/
net.minecraftforge.fmlloader@1.21.4-54.1.0/net.minecraftforge.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:96) ~[fmlloader-1.21.4-54.1.0.jar!/:?]
at SECURE-BOOTSTRAP/
net.minecraftforge.fmlloader@1.21.4-54.1.0/net.minecraftforge.fml.loading.targets.CommonLaunchHandler.lambda$makeService$0(CommonLaunchHandler.java:79) ~[fmlloader-1.21.4-54.1.0.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:77) [modlauncher-10.2.4.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:97) [modlauncher-10.2.4.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.Launcher.run(Launcher.java:116) [modlauncher-10.2.4.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.Launcher.main(Launcher.java:75) [modlauncher-10.2.4.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.BootstrapEntry.main(BootstrapEntry.java:17) [modlauncher-10.2.4.jar!/:?]
at
net.minecraftforge.bootstrap@2.1.7/net.minecraftforge.bootstrap.Bootstrap.moduleMain(Bootstrap.java:188) [bootstrap-2.1.8.jar!/:?]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
at net.minecraftforge.bootstrap.Bootstrap.bootstrapMain(Bootstrap.java:133) [bootstrap-2.1.8.jar:2.1.8]
at net.minecraftforge.bootstrap.Bootstrap.start(Bootstrap.java:53) [bootstrap-2.1.8.jar:2.1.8]
at net.minecraftforge.bootstrap.ForgeBootstrap.main(ForgeBootstrap.java:19) [bootstrap-2.1.8.jar:2.1.8]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
at net.minecraftforge.bootstrap.shim.Main.main(Main.java:101) [forge-1.21.4-54.1.0-shim.jar:2.1.8]
Transformer Audit:
net.minecraft.server.Main
REASON: classloading
net.minecraftforge.logging.CrashReportExtender
REASON: classloading
net.minecraftforge.server.loading.ServerModLoader
REASON: classloading
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: main
Suspected Mod:
LuckPerms (luckperms), Version: 5.5.11
Issue tracker URL:
https://github.com/LuckPerms/LuckPerms/issues
at TRANSFORMER/
luckperms@5.5.11/me.lucko.luckperms.forge.loader.ForgeLoaderPlugin.<init>(ForgeLoaderPlugin.java:64)
Stacktrace:
at TRANSFORMER/
luckperms@5.5.11/me.lucko.luckperms.forge.loader.ForgeLoaderPlugin.<init>(ForgeLoaderPlugin.java:64) ~[LuckPerms-Forge-5.5.11.jar!/:5.5.11]
Transformer Audit:
me.lucko.luckperms.forge.loader.ForgeLoaderPlugin
REASON: classloading
-- MOD luckperms --
Details:
Mod File: /E:/Server/MC/MCserver/mc1.21.4_250831/1.21.4/mods/LuckPerms-Forge-5.5.11.jar
Failure message: LuckPerms (luckperms) has failed to load correctly
java.lang.NoSuchMethodError: 'net.minecraftforge.eventbus.api.bus.BusGroup net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext.getModBusGroup()'
Mod Version: 5.5.11
Mod Issue URL:
https://github.com/LuckPerms/LuckPerms/issues
Exception message: java.lang.NoSuchMethodError: 'net.minecraftforge.eventbus.api.bus.BusGroup net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext.getModBusGroup()'
Stacktrace:
at TRANSFORMER/
luckperms@5.5.11/me.lucko.luckperms.forge.loader.ForgeLoaderPlugin.<init>(ForgeLoaderPlugin.java:64) ~[LuckPerms-Forge-5.5.11.jar!/:5.5.11]
at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) ~[?:?]
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) ~[?:?]
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486) ~[?:?]
at LAYER PLUGIN/
net.minecraftforge.javafmlmod@1.21.4-54.1.0/net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:144) ~[javafmllanguage-1.21.4-54.1.0.jar!/:54.1.0]
at LAYER PLUGIN/
net.minecraftforge.fmlcore@1.21.4-54.1.0/net.minecraftforge.fml.ModStateTransitionHelper.lambda$addCompletableFutureTaskForModDispatch$5(ModStateTransitionHelper.java:117) ~[fmlcore-1.21.4-54.1.0.jar!/:1.0]
at java.base/java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:787) ~[?:?]
at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:483) ~[?:?]
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387) ~[?:?]
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1310) ~[?:?]
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1841) ~[?:?]
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1806) ~[?:?]
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) ~[?:?]
Transformer Audit:
me.lucko.luckperms.forge.loader.ForgeLoaderPlugin
REASON: classloading
-- System Details --
Details:
Minecraft Version: 1.21.4
Minecraft Version ID: 1.21.4
Operating System: Windows 11 (amd64) version 10.0
Java Version: 21.0.8, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
Memory: 159280480 bytes (151 MiB) / 331350016 bytes (316 MiB) up to 8405385216 bytes (8016 MiB)
CPUs: 12
Processor Vendor: GenuineIntel
Processor Name: 12th Gen Intel(R) Core(TM) i5-12400
Identifier: Intel64 Family 6 Model 151 Stepping 5
Microarchitecture: Alder Lake
Frequency (GHz): 2.50
Number of physical packages: 1
Number of physical CPUs: 6
Number of logical CPUs: 12
Graphics card #0 name: Intel(R) UHD Graphics 730
Graphics card #0 vendor: Intel Corporation
Graphics card #0 VRAM (MiB): 2048.00
Graphics card #0 deviceId: VideoController1
Graphics card #0 versionInfo: 32.0.101.6737
Graphics card #1 name: NVIDIA GeForce RTX 3060 Ti
Graphics card #1 vendor: NVIDIA
Graphics card #1 VRAM (MiB): 8192.00
Graphics card #1 deviceId: VideoController2
Graphics card #1 versionInfo: 32.0.15.6094
Memory slot #0 capacity (MiB): 16384.00
Memory slot #0 clockSpeed (GHz): 3.20
Memory slot #0 type: DDR4
Memory slot #1 capacity (MiB): 16384.00
Memory slot #1 clockSpeed (GHz): 3.20
Memory slot #1 type: DDR4
Virtual memory max (MiB): 50490.03
Virtual memory used (MiB): 19879.49
Swap memory total (MiB): 18432.00
Swap memory used (MiB): 88.75
Space in storage for jna.tmpdir (MiB): <path not set>
Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): <path not set>
Space in storage for io.netty.native.workdir (MiB): <path not set>
Space in storage for java.io.tmpdir (MiB): available: 354273.50, total: 1906588.13
Space in storage for workdir (MiB): available: 698606.13, total: 1907727.00
JVM Flags: 0 total;
ModLauncher: 10.2.4
ModLauncher launch target: forge_server
ModLauncher naming: mcp
ModLauncher services:
/ slf4jfixer PLUGINSERVICE
/ runtimedistcleaner PLUGINSERVICE
/ runtime_enum_extender PLUGINSERVICE
/ object_holder_definalize PLUGINSERVICE
/ capability_token_subclass PLUGINSERVICE
/ accesstransformer PLUGINSERVICE
/ eventbus PLUGINSERVICE
/ mixin PLUGINSERVICE
/ fml TRANSFORMATIONSERVICE
/ mixin TRANSFORMATIONSERVICE
FML Language Providers:
lowcodefml@54
minecraft@1.0
javafml@54.1.0
Mod List:
forge-1.21.4-54.1.0-server.jar |Minecraft |minecraft |1.21.4 |COMMON_SET|Manifest: NOSIGNATURE
LuckPerms-Forge-5.5.11.jar |LuckPerms |luckperms |5.5.11 |ERROR |Manifest: NOSIGNATURE
forge-1.21.4-54.1.0-universal.jar |Forge |forge |54.1.0 |COMMON_SET|Manifest: NOSIGNATURE
Crash Report UUID: a0052f10-4249-4b66-9136-e7a8f6044e46
FML: 0.0
Forge: net.minecraftforge:54.1.0[15:44:56] [main/ERROR] [minecraft/Main]: Failed to start the minecraft server
net.minecraftforge.fml.LoadingFailedException: Loading errors encountered: [
LuckPerms (luckperms) has failed to load correctly
§7java.lang.NoSuchMethodError: 'net.minecraftforge.eventbus.api.bus.BusGroup net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext.getModBusGroup()'
]
at LAYER PLUGIN/
net.minecraftforge.fmlcore@1.21.4-54.1.0/net.minecraftforge.fml.ModLoader.waitForTransition(ModLoader.java:288) ~[fmlcore-1.21.4-54.1.0.jar:1.0]
at LAYER PLUGIN/
net.minecraftforge.fmlcore@1.21.4-54.1.0/net.minecraftforge.fml.ModLoader.dispatchAndHandleError(ModLoader.java:250) ~[fmlcore-1.21.4-54.1.0.jar:1.0]
at LAYER PLUGIN/
net.minecraftforge.fmlcore@1.21.4-54.1.0/net.minecraftforge.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:214) ~[fmlcore-1.21.4-54.1.0.jar:1.0]
at TRANSFORMER/
net.minecraftforge.forge@54.1.0/net.minecraftforge.server.loading.ServerModLoader.load(ServerModLoader.java:30) ~[forge-1.21.4-54.1.0-universal.jar:?]
at TRANSFORMER/
minecraft@1.21.4/net.minecraft.server.Main.main(Main.java:133) ~[forge-1.21.4-54.1.0-server.jar:?]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
at SECURE-BOOTSTRAP/
net.minecraftforge.fmlloader@1.21.4-54.1.0/net.minecraftforge.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:96) ~[fmlloader-1.21.4-54.1.0.jar!/:?]
at SECURE-BOOTSTRAP/
net.minecraftforge.fmlloader@1.21.4-54.1.0/net.minecraftforge.fml.loading.targets.CommonLaunchHandler.lambda$makeService$0(CommonLaunchHandler.java:79) ~[fmlloader-1.21.4-54.1.0.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:77) [modlauncher-10.2.4.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:97) [modlauncher-10.2.4.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.Launcher.run(Launcher.java:116) [modlauncher-10.2.4.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.Launcher.main(Launcher.java:75) [modlauncher-10.2.4.jar!/:?]
at SECURE-BOOTSTRAP/
cpw.mods.modlauncher@10.2.4/cpw.mods.modlauncher.BootstrapEntry.main(BootstrapEntry.java:17) [modlauncher-10.2.4.jar!/:?]
at
net.minecraftforge.bootstrap@2.1.7/net.minecraftforge.bootstrap.Bootstrap.moduleMain(Bootstrap.java:188) [bootstrap-2.1.8.jar!/:?]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
at net.minecraftforge.bootstrap.Bootstrap.bootstrapMain(Bootstrap.java:133) [bootstrap-2.1.8.jar:2.1.8]
at net.minecraftforge.bootstrap.Bootstrap.start(Bootstrap.java:53) [bootstrap-2.1.8.jar:2.1.8]
at net.minecraftforge.bootstrap.ForgeBootstrap.main(ForgeBootstrap.java:19) [bootstrap-2.1.8.jar:2.1.8]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
at net.minecraftforge.bootstrap.shim.Main.main(Main.java:101) [forge-1.21.4-54.1.0-shim.jar:2.1.8]
Transformer Audit:
net.minecraft.server.Main
REASON: classloading
net.minecraftforge.server.loading.ServerModLoader
REASON: classloading