[19:08:16] [main/INFO]: ModLauncher running: args [--launchTarget, neoforgeserver, --fml.neoForgeVersion, 21.8.54, --fml.fmlVersion, 9.0.18, --fml.mcVersion, 1.21.8, --fml.neoFormVersion, 20250717.133445, nogui]
[19:08:16] [main/INFO]: JVM identified as Eclipse Adoptium OpenJDK 64-Bit Server VM 21.0.12.1+1-LTS
[19:08:16] [main/INFO]: ModLauncher 9.0 starting: java version 21.0.12.1 by Eclipse Adoptium; OS Linux arch amd64 version 5.15.0-1114-realtime
[19:08:16] [main/INFO]: ImmediateWindowProvider not loading because launch target is neoforgeserver
[19:08:16] [main/INFO]: SpongePowered MIXIN Subsystem Version=0.8.7 Source=union:/srv/pack/libraries/net/fabricmc/sponge-mixin/0.15.2+mixin.0.8.7/sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/ Service=ModLauncher Env=SERVER
[19:08:18] [main/INFO]: Found mod file "server-1.21.8-20250717.133445-srg.jar" [locator: production server provider +net.neoforged:neoforge:21.8.54:server]
[19:08:18] [main/INFO]: Found mod file "neoforge-21.8.54-universal.jar" [locator: PathBasedLocator[name=neoforge, paths=[libraries/net/neoforged/neoforge/21.8.54/neoforge-21.8.54-universal.jar]], reader: mod manifest]
[19:08:18] [main/INFO]: Found mod file "fallingleaves-3.1.0.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest]
[19:08:18] [main/INFO]: Found 2 dependencies adding them to mods collection
[19:08:18] [main/INFO]: Found gamelibrary file "mixinextras-neoforge-0.5.3.jar" [parent: neoforge-21.8.54-universal.jar, locator: jarinjar, reader: mod manifest]
[19:08:18] [main/INFO]: Found library file "net.neoforged.neoforge-coremods-21.8.54.jar" [parent: neoforge-21.8.54-universal.jar, locator: jarinjar, reader: mod manifest]
[19:08:18] [main/INFO]: 
     Mod List:
		Name Version (Mod Id)

		FallingLeaves 3.1.0 (fallingleaves)
		Minecraft 1.21.8 (minecraft)
		NeoForge 21.8.54 (neoforge)
[19:08:19] [main/INFO]: Launching target 'neoforgeserver' with arguments [nogui]
[24Sep2026 19:08:19.933] [main/WARN] [mixin/]: Reference map 'fallingleaves.refmap.json' for fallingleaves.mixins.json could not be read. If this is a development environment you can ignore this message
[24Sep2026 19:08:21.698] [main/INFO] [MixinExtras|Service/]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.5.3).
[24Sep2026 19:08:22.745] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/multiplayer/ClientLevel (java.lang.ClassNotFoundException: net.minecraft.client.multiplayer.ClientLevel)
[24Sep2026 19:08:22.747] [main/FATAL] [mixin/]: Mixin apply for mod fallingleaves failed fallingleaves.mixins.json:leaves.LeavesBlockMixin from mod fallingleaves -> net.minecraft.world.level.block.LeavesBlock: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException Unexpecteded ClassMetadataNotFoundException whilst transforming the mixin class: [MAIN Applicator Phase -> fallingleaves.mixins.json:leaves.LeavesBlockMixin from mod fallingleaves -> Apply Methods -> (Lnet/minecraft/world/level/block/LeavesBlock;Lnet/minecraft/world/level/Level;Lnet/minecraft/core/BlockPos;Lnet/minecraft/util/RandomSource;Lnet/minecraft/world/level/block/state/BlockState;Lnet/minecraft/core/BlockPos;Lcom/llamalad7/mixinextras/injector/wrapoperation/Operation;)V:wrapOperation$zza000$fallingleaves$replaceFallingLeaves -> Transform LVT -> var=clientLevel -> desc=Lnet/minecraft/client/multiplayer/ClientLevel;]
org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: Unexpecteded ClassMetadataNotFoundException whilst transforming the mixin class: [MAIN Applicator Phase -> fallingleaves.mixins.json:leaves.LeavesBlockMixin from mod fallingleaves -> Apply Methods -> (Lnet/minecraft/world/level/block/LeavesBlock;Lnet/minecraft/world/level/Level;Lnet/minecraft/core/BlockPos;Lnet/minecraft/util/RandomSource;Lnet/minecraft/world/level/block/state/BlockState;Lnet/minecraft/core/BlockPos;Lcom/llamalad7/mixinextras/injector/wrapoperation/Operation;)V:wrapOperation$zza000$fallingleaves$replaceFallingLeaves -> Transform LVT -> var=clientLevel -> desc=Lnet/minecraft/client/multiplayer/ClientLevel;]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformMethod(MixinTargetContext.java:520) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyNormalMethod(MixinApplicatorStandard.java:463) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMethods(MixinApplicatorStandard.java:449) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:308) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:246) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:437) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:418) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:152) ~[loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:97) ~[loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:133) ~[loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:54) ~[loader-9.0.18.jar%2372!/:9.0]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:202) ~[securejarhandler-9.0.18.jar:?]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.lambda$findClass$20(ModuleClassLoader.java:310) ~[securejarhandler-9.0.18.jar:?]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:323) ~[securejarhandler-9.0.18.jar:?]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:310) ~[securejarhandler-9.0.18.jar:?]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:226) ~[securejarhandler-9.0.18.jar:?]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?]
	at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[?:?]
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027) ~[?:?]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:208) ~[securejarhandler-9.0.18.jar:?]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.lambda$findClass$20(ModuleClassLoader.java:310) ~[securejarhandler-9.0.18.jar:?]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:323) ~[securejarhandler-9.0.18.jar:?]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:310) ~[securejarhandler-9.0.18.jar:?]
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:226) ~[securejarhandler-9.0.18.jar:?]
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?]
	at TRANSFORMER/minecraft@1.21.8/net.minecraft.world.level.block.FireBlock.bootStrap(FireBlock.java:331) ~[server-1.21.8-20250717.133445-srg.jar%23144!/:?]
	at TRANSFORMER/minecraft@1.21.8/net.minecraft.server.Bootstrap.bootStrap(Bootstrap.java:50) ~[server-1.21.8-20250717.133445-srg.jar%23144!/:?]
	at TRANSFORMER/minecraft@1.21.8/net.minecraft.server.Main.main(Main.java:116) ~[server-1.21.8-20250717.133445-srg.jar%23144!/:?]
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
	at MC-BOOTSTRAP/fml_loader@9.0.18/net.neoforged.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:132) ~[loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/net.neoforged.fml.loading.targets.CommonLaunchHandler.serverService(CommonLaunchHandler.java:124) ~[loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/net.neoforged.fml.loading.targets.NeoForgeServerLaunchHandler.runService(NeoForgeServerLaunchHandler.java:41) ~[loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/net.neoforged.fml.loading.targets.CommonLaunchHandler.lambda$launchService$4(CommonLaunchHandler.java:114) ~[loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:25) [loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:55) [loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:73) [loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.Launcher.run(Launcher.java:104) [loader-9.0.18.jar%2372!/:9.0]
	at MC-BOOTSTRAP/fml_loader@9.0.18/cpw.mods.modlauncher.Launcher.main(Launcher.java:75) [loader-9.0.18.jar%2372!/:9.0]
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
	at cpw.mods.bootstraplauncher/cpw.mods.bootstraplauncher.BootstrapLauncher.run(BootstrapLauncher.java:203) [bootstraplauncher-9.0.18.jar:?]
	at cpw.mods.bootstraplauncher/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:62) [bootstraplauncher-9.0.18.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.neoforged.serverstarterjar.Main.mainLaunch(Main.java:306) [server.jar:0.1.35]
	at net.neoforged.serverstarterjar.Main.main(Main.java:76) [server.jar:0.1.35]
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[?:?]
	at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
	at net.neoforged.serverstarterjar.Main8.main(Main8.java:19) [server.jar:0.1.35]
Caused by: org.spongepowered.asm.mixin.throwables.ClassMetadataNotFoundException: net.minecraft.client.multiplayer.ClientLevel
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformSingleDescriptor(MixinTargetContext.java:1016) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformSingleDescriptor(MixinTargetContext.java:976) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformLVT(MixinTargetContext.java:573) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformMethod(MixinTargetContext.java:479) ~[sponge-mixin-0.15.2+mixin.0.8.7.jar%2388!/:0.15.2+mixin.0.8.7]
	... 53 more