[27Sep2026 19:21:16.543] [main/INFO] [net.neoforged.fml.startup.Entrypoint/]: JVM Uptime at startup: 189ms [27Sep2026 19:21:16.556] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Starting FancyModLoader version 10.0.36 (DEDICATED_SERVER in PROD) [27Sep2026 19:21:16.556] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Game directory: /srv/pack [27Sep2026 19:21:16.641] [main/INFO] [net.neoforged.fml.loading.EarlyServiceDiscovery/]: Found 2 early service jars (out of 71) in 27ms [27Sep2026 19:21:16.642] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Loading FML Early Services: [27Sep2026 19:21:16.645] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - libraries/net/neoforged/fancymodloader/loader/10.0.36/loader-10.0.36.jar [27Sep2026 19:21:16.646] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - libraries/net/neoforged/fancymodloader/earlydisplay/10.0.36/earlydisplay-10.0.36.jar [27Sep2026 19:21:16.652] [main/INFO] [net.neoforged.fml.loading.ImmediateWindowHandler/]: Not loading early display in headless mode. [27Sep2026 19:21:16.685] [main/INFO] [net.neoforged.fml.loading.moddiscovery.locators.GameLocator/]: Failed to find common Minecraft classes and resources on the classpath. Assuming we're launching production. [27Sep2026 19:21:17.202] [main/INFO] [net.neoforged.fml.loading.moddiscovery.locators.JarInJarDependencyLocator/]: Found 15 dependencies adding them to mods collection [27Sep2026 19:21:17.205] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/]: Mod List: Name Version (Mod Id) Fzzy Config 0.7.7+1.21.11+neoforge (fzzy_config) Kotlin For Forge 6.3.0 (kotlinforforge) Minecraft 1.21.11 (minecraft) NeoForge 21.11.45 (neoforge) Simple Music Control 1.4.0 (simple_music_control) [27Sep2026 19:21:17.523] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.7 Source=file:/srv/pack/libraries/net/fabricmc/sponge-mixin/0.16.5+mixin.0.8.7/sponge-mixin-0.16.5+mixin.0.8.7.jar Service=FML Env=SERVER [27Sep2026 19:21:17.591] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Loading FML Plugins: [27Sep2026 19:21:17.592] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/fzzy_config-0.7.7+1.21.11+neoforge.jar > jankson-1.2.3.jar [27Sep2026 19:21:17.592] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar > kotlinx-serialization-core-jvm-1.11.0.jar [27Sep2026 19:21:17.592] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar > kotlinx-coroutines-jdk8-1.11.0.jar [27Sep2026 19:21:17.592] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar > kotlin-stdlib-2.4.0.jar [27Sep2026 19:21:17.593] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar > kotlinx-serialization-json-jvm-1.11.0.jar [27Sep2026 19:21:17.593] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar > thedarkcolour.kfflang-6.3.0.jar [27Sep2026 19:21:17.594] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/fzzy_config-0.7.7+1.21.11+neoforge.jar > tomlkt-jvm-0.3.7.jar [27Sep2026 19:21:17.594] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar [27Sep2026 19:21:17.595] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar > kotlinx-coroutines-core-jvm-1.11.0.jar [27Sep2026 19:21:17.595] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar > kotlin-reflect-2.4.0.jar [27Sep2026 19:21:17.595] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - ~libraries/net/neoforged/neoforge/21.11.45/neoforge-21.11.45-universal.jar > net.neoforged.neoforge-coremods-21.11.45.jar [27Sep2026 19:21:17.596] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar > kotlin-stdlib-jdk8-2.4.0.jar [27Sep2026 19:21:17.596] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: - mods/kotlinforforge-6.3.0-all.jar > kotlin-stdlib-jdk7-2.4.0.jar [27Sep2026 19:21:17.804] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Building game content classloader: - fzzy_config (jar(mods/fzzy_config-0.7.7+1.21.11+neoforge.jar)) - kotlinforforge (jar(mods/kotlinforforge-6.3.0-all.jar > thedarkcolour.kffmod-6.3.0.jar)) - minecraft (jar(~libraries/net/neoforged/minecraft-server-patched/21.11.45/minecraft-server-patched-21.11.45.jar)) - mixinextras.neoforge (jar(~libraries/net/neoforged/neoforge/21.11.45/neoforge-21.11.45-universal.jar > mixinextras-neoforge-0.5.3.jar)) - neoforge (jar(~libraries/net/neoforged/neoforge/21.11.45/neoforge-21.11.45-universal.jar)) - net.neoforged.fml.generated (empty(VirtualJar/net.neoforged.fml.generated)) - simple_music_control (jar(mods/simple_music_control-1.4.0+1.21.11-neoforge.jar)) - thedarkcolour.kfflib (jar(mods/kotlinforforge-6.3.0-all.jar > thedarkcolour.kfflib-6.3.0.jar)) [27Sep2026 19:21:17.823] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Built game content classloader in 31ms [27Sep2026 19:21:19.324] [main/INFO] [MixinExtras|Service/]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.5.3). [27Sep2026 19:21:27.728] [main/WARN] [mixin/]: Error loading class: net/minecraft/client/Minecraft (java.lang.ClassNotFoundException: net.minecraft.client.Minecraft) [27Sep2026 19:21:27.729] [main/ERROR] [net.minecraft.server.Main/FATAL]: Failed to start the minecraft server org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:381) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:253) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at net.neoforged.fml.loading.mixin.FMLMixinClassProcessor.processClass(FMLMixinClassProcessor.java:96) ~[loader-10.0.36.jar:10.0] at net.neoforged.fml.classloading.transformation.ClassTransformer.transform(ClassTransformer.java:96) ~[loader-10.0.36.jar:10.0] at net.neoforged.fml.classloading.transformation.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:47) ~[loader-10.0.36.jar:10.0] at net.neoforged.fml.classloading.ModuleClassLoader.readerToClass(ModuleClassLoader.java:224) ~[loader-10.0.36.jar:10.0] at net.neoforged.fml.classloading.ModuleClassLoader.loadClass(ModuleClassLoader.java:245) ~[loader-10.0.36.jar:10.0] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] at TRANSFORMER/minecraft@1.21.11/net.minecraft.world.attribute.AttributeTypes.(AttributeTypes.java:34) ~[minecraft-server-patched-21.11.45.jar:?] at TRANSFORMER/minecraft@1.21.11/net.minecraft.world.attribute.EnvironmentAttributes.(EnvironmentAttributes.java:15) ~[minecraft-server-patched-21.11.45.jar:?] at TRANSFORMER/minecraft@1.21.11/net.minecraft.core.registries.BuiltInRegistries.lambda$internalRegister$48(BuiltInRegistries.java:387) ~[minecraft-server-patched-21.11.45.jar:?] at TRANSFORMER/minecraft@1.21.11/net.minecraft.core.registries.BuiltInRegistries.lambda$createContents$49(BuiltInRegistries.java:400) ~[minecraft-server-patched-21.11.45.jar:?] at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:986) ~[?:?] at TRANSFORMER/minecraft@1.21.11/net.minecraft.core.registries.BuiltInRegistries.createContents(BuiltInRegistries.java:399) ~[minecraft-server-patched-21.11.45.jar:?] at TRANSFORMER/minecraft@1.21.11/net.minecraft.core.registries.BuiltInRegistries.bootStrap(BuiltInRegistries.java:393) ~[minecraft-server-patched-21.11.45.jar:?] at TRANSFORMER/minecraft@1.21.11/net.minecraft.server.Bootstrap.bootStrap(Bootstrap.java:58) ~[minecraft-server-patched-21.11.45.jar:?] at TRANSFORMER/minecraft@1.21.11/net.minecraft.server.Main.main(Main.java:112) ~[minecraft-server-patched-21.11.45.jar:?] at net.neoforged.fml.startup.Server.main(Server.java:19) ~[loader-10.0.36.jar:10.0] 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.transformer.throwables.MixinPreProcessorException: Attach error for simple_music_control.mixins.json:BackgroundMusicMixin from mod simple_music_control during activity: [Transform -> Method allowCreativeMusicInSurvival(Ljava/util/Optional;)Ljava/util/Optional; -> INVOKESTATIC -> net/minecraft/client/Minecraft::getInstance:()Lnet/minecraft/client/Minecraft;] at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:313) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:277) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1292) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:203) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:437) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:418) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:352) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] ... 24 more Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMemberReference(MixinPreProcessorStandard.java:791) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMethod(MixinPreProcessorStandard.java:777) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transform(MixinPreProcessorStandard.java:743) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:307) ~[sponge-mixin-0.16.5+mixin.0.8.7.jar:0.16.5+mixin.0.8.7] ... 30 more Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft ... 34 more [27Sep2026 19:21:27.734] [main/INFO] [net.neoforged.fml.loading.FMLLoader/]: Closing FML Loader 30745c7c [27Sep2026 19:21:27.737] [main/INFO] [net.neoforged.fml.ModLoader/]: Clearing ModLoader