Start script generated by ServerPackCreator dev. To change the launch settings of this server, such as JVM args / flags, Minecraft version, modloader version etc., edit the variables.txt-file. Detected 1.21.1 - Java 21 Running NeoForge checks and setup... Generating user_jvm_args.txt from variables... Edit JAVA_ARGS in your variables.txt. Do not edit user_jvm_args.txt directly! Manually made changes to user_jvm_args.txt will be lost in the nether! server.jar present. Starting server... Minecraft version: 1.21.1 Modloader: NeoForge Modloader version: 21.1.251 LegacyFabric Installer Version: 1.1.1 Fabric Installer Version: 1.1.2 Quilt Installer Version: 0.15.1 Java Args: Additional Args: -Dlog4j2.formatMsgNoLookups=true SSJ Forge Args: -Djava.security.manager=allow Java Path: /opt/java-21/bin/java Wait For User Input: false Run Command: /opt/java-21/bin/java -Dlog4j2.formatMsgNoLookups=true @user_jvm_args.txt -jar server.jar --installer-force --installer 21.1.251 nogui Java version: openjdk version "21.0.12.1" 2026-08-18 LTS OpenJDK Runtime Environment Temurin-21.0.12.1+1 (build 21.0.12.1+1-LTS) OpenJDK 64-Bit Server VM Temurin-21.0.12.1+1 (build 21.0.12.1+1-LTS, mixed mode, sharing) [20:29:44.150] [main/INFO] [Launcher/MODLAUNCHER]: ModLauncher running: args [--launchTarget, forgeserver, --fml.neoForgeVersion, 21.1.251, --fml.fmlVersion, 4.0.44, --fml.mcVersion, 1.21.1, --fml.neoFormVersion, 20240808.144430, nogui] [20:29:44.152] [main/INFO] [Launcher/MODLAUNCHER]: JVM identified as Eclipse Adoptium OpenJDK 64-Bit Server VM 21.0.12.1+1-LTS [20:29:44.154] [main/INFO] [Launcher/MODLAUNCHER]: ModLauncher 11.0.5+main.901c6ea8 starting: java version 21.0.12.1 by Eclipse Adoptium; OS Linux arch amd64 version 5.15.0-1114-realtime [20:29:44.298] [main/INFO] [loading.ImmediateWindowHandler/]: ImmediateWindowProvider not loading because launch target is forgeserver [20:29:44.375] [main/INFO] [mixin/]: 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%2373!/ Service=ModLauncher Env=SERVER [20:29:44.892] [main/INFO] [loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "server-1.21.1-20240808.144430-srg.jar" [locator: production server provider +net.neoforged:neoforge:21.1.251:server] [20:29:44.922] [main/INFO] [loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "neoforge-21.1.251-universal.jar" [locator: PathBasedLocator[name=neoforge, paths=[libraries/net/neoforged/neoforge/21.1.251/neoforge-21.1.251-universal.jar]], reader: mod manifest] [20:29:44.932] [main/INFO] [loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "moonlight-1.21.1-3.6.9-neoforge.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest] [20:29:44.936] [main/INFO] [loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "v_slab_compat-1.21.1-3.0-neoforge.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest] [20:29:45.073] [main/INFO] [loading.moddiscovery.locators.JarInJarDependencyLocator/]: Found 3 dependencies adding them to mods collection [20:29:45.073] [main/INFO] [loading.moddiscovery.ModDiscoverer/SCAN]: Found gamelibrary file "mixinextras-neoforge-0.5.3.jar" [parent: neoforge-21.1.251-universal.jar, locator: jarinjar, reader: mod manifest] [20:29:45.074] [main/INFO] [loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "codecui-neoforge-1.21.1-1.4.5.jar" [parent: moonlight-1.21.1-3.6.9-neoforge.jar, locator: jarinjar, reader: mod manifest] [20:29:45.074] [main/INFO] [loading.moddiscovery.ModDiscoverer/SCAN]: Found library file "net.neoforged.neoforge-coremods-21.1.251.jar" [parent: neoforge-21.1.251-universal.jar, locator: jarinjar, reader: mod manifest] [20:29:45.075] [main/INFO] [loading.moddiscovery.ModDiscoverer/]: Mod List: Name Version (Mod Id) CodecUI 1.21.1-1.4.5 (codecui) Minecraft 1.21.1 (minecraft) Moonlight Lib 1.21.1-3.6.9 (moonlight) NeoForge 21.1.251 (neoforge) Vertical Slabs Compat 1.21.1-3.0 (v_slab_compat) [20:29:45.799] [main/INFO] [mixin/]: Compatibility level set to JAVA_17 [20:29:45.802] [main/INFO] [mixin/]: Compatibility level set to JAVA_21 [20:29:45.814] [main/INFO] [LaunchServiceHandler/MODLAUNCHER]: Launching target 'forgeserver' with arguments [nogui] WARN StatusConsoleListener Advanced terminal features are not available in this environment [20:29:47] [main/INFO] [MixinExtras|Service/]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.5.3). [20:29:56] [modloading-worker-0/INFO] [Moonlight/]: Sending changed configs to client [20:29:56] [modloading-worker-0/INFO] [CodecUI/]: Codec construction mixins inactive (Codec, MapCodec, RecordCodecBuilder) - expected on NeoForge; using reflective schema inference (numeric ranges recovered, optional-field defaults not). [20:29:56] [modloading-worker-0/INFO] [ne.ne.ne.co.NeoForgeMod/NEOFORGE-MOD]: NeoForge mod loading, version 21.1.251, for MC 1.21.1 [20:29:56] [modloading-sync-worker/INFO] [ne.me.vs.VSC/]: Initialized slab sets in: 5 ms [20:29:56] [modloading-sync-worker/INFO] [Moonlight/]: Initialized block sets in 20ms [20:29:56] [modloading-sync-worker/ERROR] [ne.ne.fm.ja.FMLModContainer/]: Exception caught during firing event: org/violetmoon/quark/content/building/block/VerticalSlabBlock Index: 0 Listeners: 0: net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl$$Lambda/0x00007feb38bcb470@61b46a77 java.lang.NoClassDefFoundError: org/violetmoon/quark/content/building/block/VerticalSlabBlock 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:196) at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.lambda$findClass$20(ModuleClassLoader.java:298) at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:311) at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:298) at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:214) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) at TRANSFORMER/v_slab_compat@1.21.1-3.0/net.mehvahdjukaar.vsc.VSC.createVSlab(VSC.java) at TRANSFORMER/v_slab_compat@1.21.1-3.0/net.mehvahdjukaar.vsc.VSC.registerVerticalSlabs(VSC.java:98) at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.lambda$addEvent$3(BlockSetInternalImpl.java:91) at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.registerLateBlockAndItems(BlockSetInternalImpl.java:147) at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.lambda$getOrAddQueue$6(BlockSetInternalImpl.java:121) at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.ConsumerEventHandler.invoke(ConsumerEventHandler.java:27) at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:360) at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:342) at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModContainer.acceptEvent(ModContainer.java:177) at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.lambda$postEventWithWrapInModOrder$16(ModLoader.java:379) at java.base/java.lang.Iterable.forEach(Iterable.java:75) at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModList.forEachModInOrder(ModList.java:174) at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWithWrapInModOrder(ModLoader.java:377) at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWrapContainerInModOrder(ModLoader.java:368) at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.registries.GameData.postRegisterEvents(GameData.java:92) at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.internal.CommonModLoader.lambda$begin$0(CommonModLoader.java:54) at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) at java.base/java.lang.Thread.run(Thread.java:1583) Caused by: java.lang.ClassNotFoundException: org.violetmoon.quark.content.building.block.VerticalSlabBlock at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:216) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:216) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ... 29 more [20:29:56] [modloading-sync-worker/ERROR] [ne.ne.fm.ModContainer/LOADING]: Caught exception during event net.neoforged.neoforge.registries.RegisterEvent@7bf58281 dispatch for modid v_slab_compat java.lang.NoClassDefFoundError: org/violetmoon/quark/content/building/block/VerticalSlabBlock at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[?:?] {} at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027) ~[?:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:196) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.lambda$findClass$20(ModuleClassLoader.java:298) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:311) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:298) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:214) ~[securejarhandler-3.0.8.jar:?] {} at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {} at TRANSFORMER/v_slab_compat@1.21.1-3.0/net.mehvahdjukaar.vsc.VSC.createVSlab(VSC.java) ~[v_slab_compat-1.21.1-3.0-neoforge.jar%23122!/:1.21.1-3.0] {re:classloading} at TRANSFORMER/v_slab_compat@1.21.1-3.0/net.mehvahdjukaar.vsc.VSC.registerVerticalSlabs(VSC.java:98) ~[v_slab_compat-1.21.1-3.0-neoforge.jar%23122!/:1.21.1-3.0] {re:classloading} at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.lambda$addEvent$3(BlockSetInternalImpl.java:91) ~[moonlight-1.21.1-3.6.9-neoforge.jar%23121!/:1.21.1-3.6.9] {re:classloading} at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[?:?] {re:mixin} at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.registerLateBlockAndItems(BlockSetInternalImpl.java:147) ~[moonlight-1.21.1-3.6.9-neoforge.jar%23121!/:1.21.1-3.6.9] {re:classloading} at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.lambda$getOrAddQueue$6(BlockSetInternalImpl.java:121) ~[moonlight-1.21.1-3.6.9-neoforge.jar%23121!/:1.21.1-3.6.9] {re:classloading} at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.ConsumerEventHandler.invoke(ConsumerEventHandler.java:27) ~[bus-8.0.5.jar%2362!/:?] {} at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:360) ~[bus-8.0.5.jar%2362!/:?] {} at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:342) ~[bus-8.0.5.jar%2362!/:?] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModContainer.acceptEvent(ModContainer.java:177) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.lambda$postEventWithWrapInModOrder$16(ModLoader.java:379) ~[loader-4.0.44.jar%2359!/:4.0] {} at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[?:?] {re:mixin} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModList.forEachModInOrder(ModList.java:174) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWithWrapInModOrder(ModLoader.java:377) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWrapContainerInModOrder(ModLoader.java:368) ~[loader-4.0.44.jar%2359!/:4.0] {} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.registries.GameData.postRegisterEvents(GameData.java:92) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.internal.CommonModLoader.lambda$begin$0(CommonModLoader.java:54) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?] {} at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {} Caused by: java.lang.ClassNotFoundException: org.violetmoon.quark.content.building.block.VerticalSlabBlock at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?] {} at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:216) ~[securejarhandler-3.0.8.jar:?] {} at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:216) ~[securejarhandler-3.0.8.jar:?] {} at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {} ... 29 more [20:29:56] [modloading-sync-worker/ERROR] [ne.ne.ne.re.GameData/]: Failed to register some entries, see suppressed exceptions for details java.lang.RuntimeException: null at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.registries.GameData.postRegisterEvents(GameData.java:83) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.internal.CommonModLoader.lambda$begin$0(CommonModLoader.java:54) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?] {} at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {} Suppressed: net.neoforged.fml.ModLoadingException: Loading errors encountered: - Vertical Slabs Compat (v_slab_compat) encountered an error while dispatching the net.neoforged.neoforge.registries.RegisterEvent event java.lang.NoClassDefFoundError: org/violetmoon/quark/content/building/block/VerticalSlabBlock at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModContainer.acceptEvent(ModContainer.java:181) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.lambda$postEventWithWrapInModOrder$16(ModLoader.java:379) ~[loader-4.0.44.jar%2359!/:4.0] {} at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[?:?] {re:mixin} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModList.forEachModInOrder(ModList.java:174) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWithWrapInModOrder(ModLoader.java:377) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWrapContainerInModOrder(ModLoader.java:368) ~[loader-4.0.44.jar%2359!/:4.0] {} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.registries.GameData.postRegisterEvents(GameData.java:92) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.internal.CommonModLoader.lambda$begin$0(CommonModLoader.java:54) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?] {} at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {} [20:29:56] [modloading-sync-worker/ERROR] [ne.ne.ne.re.GameData/]: Rolling back to VANILLA state [20:29:57] [main/FATAL] [ne.ne.fm.ModLoader/LOADING]: Failed to wait for future Registry initialization, 1 errors found [20:29:57] [main/ERROR] [minecraft/CrashReport]: Negative index in crash report handler (0/25) [20:29:57] [main/FATAL] [ne.ne.ne.co.NeoForgeMod/]: Preparing crash report with UUID 0dddd5e6-8588-4d51-994c-1aec67aea314 [20:29:57] [main/FATAL] [ne.ne.ne.se.lo.ServerModLoader/]: Crash report saved to ./crash-reports/crash-2026-09-25_20.29.57-fml.txt [20:29:57] [main/FATAL] [ne.ne.ne.co.NeoForgeMod/]: Preparing crash report with UUID f508cbb3-0ab1-4608-9111-8019a4abc1c7 ---- Minecraft Crash Report ---- // Would you like a cupcake? Time: 2026-09-25 20:29:57 Description: Mod loading failures have occurred; consult the issue messages for more details net.neoforged.neoforge.logging.CrashReportExtender$ModLoadingCrashException: Mod loading has failed A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: main Stacktrace: at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?] {} -- Mod loading issue for: v_slab_compat -- Details: Caused by 0: java.lang.NoClassDefFoundError: org/violetmoon/quark/content/building/block/VerticalSlabBlock 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:196) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.lambda$findClass$20(ModuleClassLoader.java:298) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:311) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:298) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:214) ~[securejarhandler-3.0.8.jar:?] {} at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {} at TRANSFORMER/v_slab_compat@1.21.1-3.0/net.mehvahdjukaar.vsc.VSC.createVSlab(VSC.java) ~[v_slab_compat-1.21.1-3.0-neoforge.jar%23122!/:1.21.1-3.0] {re:classloading} at TRANSFORMER/v_slab_compat@1.21.1-3.0/net.mehvahdjukaar.vsc.VSC.registerVerticalSlabs(VSC.java:98) ~[v_slab_compat-1.21.1-3.0-neoforge.jar%23122!/:1.21.1-3.0] {re:classloading} at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.lambda$addEvent$3(BlockSetInternalImpl.java:91) ~[moonlight-1.21.1-3.6.9-neoforge.jar%23121!/:1.21.1-3.6.9] {re:classloading} at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[?:?] {re:mixin} at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.registerLateBlockAndItems(BlockSetInternalImpl.java:147) ~[moonlight-1.21.1-3.6.9-neoforge.jar%23121!/:1.21.1-3.6.9] {re:classloading} at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.lambda$getOrAddQueue$6(BlockSetInternalImpl.java:121) ~[moonlight-1.21.1-3.6.9-neoforge.jar%23121!/:1.21.1-3.6.9] {re:classloading} at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.ConsumerEventHandler.invoke(ConsumerEventHandler.java:27) ~[bus-8.0.5.jar%2362!/:?] {} at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:360) ~[bus-8.0.5.jar%2362!/:?] {} at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:342) ~[bus-8.0.5.jar%2362!/:?] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModContainer.acceptEvent(ModContainer.java:177) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.lambda$postEventWithWrapInModOrder$16(ModLoader.java:379) ~[loader-4.0.44.jar%2359!/:4.0] {} at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[?:?] {re:mixin} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModList.forEachModInOrder(ModList.java:174) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWithWrapInModOrder(ModLoader.java:377) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWrapContainerInModOrder(ModLoader.java:368) ~[loader-4.0.44.jar%2359!/:4.0] {} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.registries.GameData.postRegisterEvents(GameData.java:92) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.internal.CommonModLoader.lambda$begin$0(CommonModLoader.java:54) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?] {} at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?] {} Mod file: /srv/pack/mods/v_slab_compat-1.21.1-3.0-neoforge.jar Failure message: Vertical Slabs Compat (v_slab_compat) encountered an error while dispatching the net.neoforged.neoforge.registries.RegisterEvent event java.lang.NoClassDefFoundError: org/violetmoon/quark/content/building/block/VerticalSlabBlock Mod version: 1.21.1-3.0 Mod issues URL: https://github.com/MehVahdJukaar/v_slab_compat/issues Exception message: java.lang.ClassNotFoundException: org.violetmoon.quark.content.building.block.VerticalSlabBlock Stacktrace: at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?] {} at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:216) ~[securejarhandler-3.0.8.jar:?] {} at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:216) ~[securejarhandler-3.0.8.jar:?] {} at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {} at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[?:?] {} at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027) ~[?:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:196) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.lambda$findClass$20(ModuleClassLoader.java:298) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:311) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:298) ~[securejarhandler-3.0.8.jar:?] {} at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:214) ~[securejarhandler-3.0.8.jar:?] {} at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] {} at TRANSFORMER/v_slab_compat@1.21.1-3.0/net.mehvahdjukaar.vsc.VSC.createVSlab(VSC.java) ~[v_slab_compat-1.21.1-3.0-neoforge.jar%23122!/:1.21.1-3.0] {re:classloading} at TRANSFORMER/v_slab_compat@1.21.1-3.0/net.mehvahdjukaar.vsc.VSC.registerVerticalSlabs(VSC.java:98) ~[v_slab_compat-1.21.1-3.0-neoforge.jar%23122!/:1.21.1-3.0] {re:classloading} at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.lambda$addEvent$3(BlockSetInternalImpl.java:91) ~[moonlight-1.21.1-3.6.9-neoforge.jar%23121!/:1.21.1-3.6.9] {re:classloading} at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[?:?] {re:mixin} at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.registerLateBlockAndItems(BlockSetInternalImpl.java:147) ~[moonlight-1.21.1-3.6.9-neoforge.jar%23121!/:1.21.1-3.6.9] {re:classloading} at TRANSFORMER/moonlight@1.21.1-3.6.9/net.mehvahdjukaar.moonlight.core.set.platform.BlockSetInternalImpl.lambda$getOrAddQueue$6(BlockSetInternalImpl.java:121) ~[moonlight-1.21.1-3.6.9-neoforge.jar%23121!/:1.21.1-3.6.9] {re:classloading} at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.ConsumerEventHandler.invoke(ConsumerEventHandler.java:27) ~[bus-8.0.5.jar%2362!/:?] {} at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:360) ~[bus-8.0.5.jar%2362!/:?] {} at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:342) ~[bus-8.0.5.jar%2362!/:?] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModContainer.acceptEvent(ModContainer.java:177) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.lambda$postEventWithWrapInModOrder$16(ModLoader.java:379) ~[loader-4.0.44.jar%2359!/:4.0] {} at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[?:?] {re:mixin} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModList.forEachModInOrder(ModList.java:174) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWithWrapInModOrder(ModLoader.java:377) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.postEventWrapContainerInModOrder(ModLoader.java:368) ~[loader-4.0.44.jar%2359!/:4.0] {} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.registries.GameData.postRegisterEvents(GameData.java:92) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.internal.CommonModLoader.lambda$begin$0(CommonModLoader.java:54) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?] {} at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?] {} at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?] {} -- System Details -- Details: Minecraft Version: 1.21.1 Minecraft Version ID: 1.21.1 Operating System: Linux (amd64) version 5.15.0-1114-realtime Java Version: 21.0.12.1, Eclipse Adoptium Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium Memory: 83590336 bytes (79 MiB) / 266338304 bytes (254 MiB) up to 805306368 bytes (768 MiB) CPUs: 2 Processor Vendor: GenuineIntel Processor Name: Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz Identifier: Intel64 Family 6 Model 158 Stepping 12 Microarchitecture: Coffee Lake Frequency (GHz): 3.60 Number of physical packages: 1 Number of physical CPUs: 8 Number of logical CPUs: 16 Graphics card #0 name: unknown Graphics card #0 vendor: unknown Graphics card #0 VRAM (MiB): 0.00 Graphics card #0 deviceId: unknown Graphics card #0 versionInfo: unknown Virtual memory max (MiB): 68454.64 Virtual memory used (MiB): 28456.50 Swap memory total (MiB): 4096.00 Swap memory used (MiB): 198.24 Space in storage for jna.tmpdir (MiB): Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): Space in storage for io.netty.native.workdir (MiB): Space in storage for java.io.tmpdir (MiB): available: 64358.52, total: 64358.65 Space in storage for workdir (MiB): available: 2538524.25, total: 7564391.00 JVM Flags: 0 total; ModLauncher: 11.0.5+main.901c6ea8 ModLauncher launch target: forgeserver ModLauncher services: sponge-mixin-0.15.2+mixin.0.8.7.jar mixin PLUGINSERVICE loader-4.0.44.jar slf4jfixer PLUGINSERVICE loader-4.0.44.jar runtime_enum_extender PLUGINSERVICE at-modlauncher-10.0.1.jar accesstransformer PLUGINSERVICE loader-4.0.44.jar runtimedistcleaner PLUGINSERVICE modlauncher-11.0.5.jar mixin TRANSFORMATIONSERVICE modlauncher-11.0.5.jar fml TRANSFORMATIONSERVICE FML Language Providers: javafml@4.0 lowcodefml@4.0 minecraft@4.0 Mod List: codecui-neoforge-1.21.1-1.4.5.jar |CodecUI |codecui |1.21.1-1.4.5 |Manifest: NOSIGNATURE server-1.21.1-20240808.144430-srg.jar |Minecraft |minecraft |1.21.1 |Manifest: NOSIGNATURE moonlight-1.21.1-3.6.9-neoforge.jar |Moonlight Lib |moonlight |1.21.1-3.6.9 |Manifest: NOSIGNATURE neoforge-21.1.251-universal.jar |NeoForge |neoforge |21.1.251 |Manifest: NOSIGNATURE v_slab_compat-1.21.1-3.0-neoforge.jar |Vertical Slabs Compat |v_slab_compat |1.21.1-3.0 |Manifest: NOSIGNATURE Crash Report UUID: f508cbb3-0ab1-4608-9111-8019a4abc1c7 FML: 4.0.44 NeoForge: 21.1.251 [20:29:57] [main/ERROR] [minecraft/Main]: Failed to start the minecraft server net.neoforged.fml.ModLoadingException: Loading errors encountered: - Vertical Slabs Compat (v_slab_compat) encountered an error while dispatching the net.neoforged.neoforge.registries.RegisterEvent event java.lang.NoClassDefFoundError: org/violetmoon/quark/content/building/block/VerticalSlabBlock at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.waitForFuture(ModLoader.java:281) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.waitForTask(ModLoader.java:183) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.ModLoader.runInitTask(ModLoader.java:163) ~[loader-4.0.44.jar%2359!/:4.0] {} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.internal.CommonModLoader.begin(CommonModLoader.java:51) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at TRANSFORMER/neoforge@21.1.251/net.neoforged.neoforge.server.loading.ServerModLoader.load(ServerModLoader.java:34) ~[neoforge-21.1.251-universal.jar%23120!/:?] {re:classloading} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.Main.main(Main.java:124) ~[server-1.21.1-20240808.144430-srg.jar%23119!/:?] {re:classloading} 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@4.0.44/net.neoforged.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:136) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.loading.targets.CommonLaunchHandler.serverService(CommonLaunchHandler.java:128) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.loading.targets.CommonServerLaunchHandler.runService(CommonServerLaunchHandler.java:32) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.loading.targets.CommonLaunchHandler.lambda$launchService$4(CommonLaunchHandler.java:118) ~[loader-4.0.44.jar%2359!/:4.0] {} at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) [modlauncher-11.0.5.jar%2364!/:?] {} at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-11.0.5.jar%2364!/:?] {} at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-11.0.5.jar%2364!/:?] {} at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.Launcher.run(Launcher.java:103) [modlauncher-11.0.5.jar%2364!/:?] {} at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.Launcher.main(Launcher.java:74) [modlauncher-11.0.5.jar%2364!/:?] {} at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-11.0.5.jar%2364!/:?] {} at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-11.0.5.jar%2364!/:?] {} at cpw.mods.bootstraplauncher@2.0.2/cpw.mods.bootstraplauncher.BootstrapLauncher.run(BootstrapLauncher.java:210) [bootstraplauncher-2.0.2.jar:?] {} at cpw.mods.bootstraplauncher@2.0.2/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:69) [bootstraplauncher-2.0.2.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] {} Exiting...