[24Sep2026 14:13:40.302] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--launchTarget, forgeserver, --fml.neoForgeVersion, 20.6.141, --fml.fmlVersion, 3.0.45, --fml.mcVersion, 1.20.6, --fml.neoFormVersion, 20240627.102356, nogui] [24Sep2026 14:13:40.304] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: JVM identified as Eclipse Adoptium OpenJDK 64-Bit Server VM 21.0.12.1+1-LTS [24Sep2026 14:13:40.306] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 11.0.2+main.4612c65f starting: java version 21.0.12.1 by Eclipse Adoptium; OS Linux arch amd64 version 5.15.0-1114-realtime [24Sep2026 14:13:40.429] [main/INFO] [net.neoforged.fml.loading.ImmediateWindowHandler/]: ImmediateWindowProvider not loading because launch target is forgeserver [24Sep2026 14:13:40.499] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.5 Source=union:/srv/pack/libraries/net/fabricmc/sponge-mixin/0.13.4+mixin.0.8.5/sponge-mixin-0.13.4+mixin.0.8.5.jar%2377!/ Service=ModLauncher Env=SERVER [24Sep2026 14:13:40.689] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "server-1.20.6-20240627.102356-srg.jar" [locator: production server provider +net.neoforged:neoforge:20.6.141:server] [24Sep2026 14:13:40.697] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "neoforge-20.6.141-universal.jar" [locator: PathBasedLocator[name=neoforge, paths=[libraries/net/neoforged/neoforge/20.6.141/neoforge-20.6.141-universal.jar]], reader: mod manifest] [24Sep2026 14:13:40.704] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "polytone-1.20.6-2.0.2.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest] [24Sep2026 14:13:40.794] [main/INFO] [net.neoforged.fml.loading.moddiscovery.locators.JarInJarDependencyLocator/]: Found 2 dependencies adding them to mods collection [24Sep2026 14:13:40.794] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found library file "exp4j-0.4.8.jar" [parent: polytone-1.20.6-2.0.2.jar, locator: jarinjar] [24Sep2026 14:13:40.794] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found gamelibrary file "mixinextras-neoforge-0.4.1.jar" [parent: neoforge-20.6.141-universal.jar, locator: jarinjar, reader: mod manifest] [24Sep2026 14:13:41.147] [main/INFO] [net.neoforged.fml.loading.FMLServiceProvider/CORE]: Loading coremod script-engine for [polytone, neoforge] [24Sep2026 14:13:42.486] [main/INFO] [mixin/]: Compatibility level set to JAVA_21 [24Sep2026 14:13:42.497] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'forgeserver' with arguments [nogui] [24Sep2026 14:13:50.495] [modloading-worker-0/ERROR] [net.neoforged.fml.javafmlmod.FMLModContainer/LOADING]: Failed to create mod instance. ModID: polytone, class net.mehvahdjukaar.polytone.forge.PolytoneForge java.lang.NoClassDefFoundError: net/minecraft/client/color/block/BlockColor at TRANSFORMER/polytone@1.20.6-2.0.2/net.mehvahdjukaar.polytone.Polytone.(Polytone.java:32) ~[polytone-1.20.6-2.0.2.jar%23125!/:?] at TRANSFORMER/polytone@1.20.6-2.0.2/net.mehvahdjukaar.polytone.forge.PolytoneForge.(PolytoneForge.java:43) ~[polytone-1.20.6-2.0.2.jar%23125!/:?] 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 MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:109) ~[loader-3.0.45.jar%2361!/:3.0] at MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.ModLoader.lambda$constructMods$3(ModLoader.java:157) ~[loader-3.0.45.jar%2361!/:3.0] at MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.ModLoader.lambda$dispatchParallelTask$7(ModLoader.java:235) ~[loader-3.0.45.jar%2361!/:3.0] at java.base/java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:934) [?:?] at java.base/java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:911) [?:?] 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:1312) [?:?] at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843) [?:?] at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808) [?:?] at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) [?:?] Caused by: java.lang.ClassNotFoundException: net.minecraft.client.color.block.BlockColor at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:220) ~[securejarhandler-3.0.8.jar:?] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?] ... 16 more [24Sep2026 14:13:50.503] [modloading-worker-0/INFO] [net.neoforged.neoforge.common.NeoForgeMod/NEOFORGE-MOD]: NeoForge mod loading, version 20.6.141, for MC 1.20.6 [24Sep2026 14:13:50.630] [main/FATAL] [net.neoforged.fml.ModLoader/LOADING]: Failed to wait for future Mod Construction, 1 errors found [24Sep2026 14:13:50.743] [main/FATAL] [net.neoforged.neoforge.common.NeoForgeMod/]: Preparing crash report with UUID 8044c7a7-4112-4104-aa85-df367d0c0782 [24Sep2026 14:13:50.746] [main/FATAL] [net.neoforged.neoforge.server.loading.ServerModLoader/]: Crash report saved to ./crash-reports/crash-2026-09-24_14.13.50-fml.txt [24Sep2026 14:13:50.747] [main/FATAL] [net.neoforged.neoforge.common.NeoForgeMod/]: Preparing crash report with UUID 62fd48bf-821d-420c-a3ca-363f3ca80b35 [24Sep2026 14:13:50.747] [main/ERROR] [net.minecraft.server.Main/FATAL]: Failed to start the minecraft server net.neoforged.fml.ModLoadingException: Loading errors encountered: - Polytone (polytone) has failed to load correctly java.lang.NoClassDefFoundError: net/minecraft/client/color/block/BlockColor at MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.ModLoader.waitForFuture(ModLoader.java:285) ~[loader-3.0.45.jar%2361!/:3.0] at MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.ModLoader.dispatchParallelTask(ModLoader.java:248) ~[loader-3.0.45.jar%2361!/:3.0] at MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.ModLoader.constructMods(ModLoader.java:156) ~[loader-3.0.45.jar%2361!/:3.0] at MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:141) ~[loader-3.0.45.jar%2361!/:3.0] at TRANSFORMER/neoforge@20.6.141/net.neoforged.neoforge.internal.CommonModLoader.begin(CommonModLoader.java:47) ~[neoforge-20.6.141-universal.jar%23124!/:?] at TRANSFORMER/neoforge@20.6.141/net.neoforged.neoforge.server.loading.ServerModLoader.load(ServerModLoader.java:32) ~[neoforge-20.6.141-universal.jar%23124!/:?] at TRANSFORMER/minecraft@1.20.6/net.minecraft.server.Main.main(Main.java:124) ~[server-1.20.6-20240627.102356-srg.jar%23123!/:?] 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@3.0.45/net.neoforged.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:136) ~[loader-3.0.45.jar%2361!/:3.0] at MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.loading.targets.CommonLaunchHandler.serverService(CommonLaunchHandler.java:128) ~[loader-3.0.45.jar%2361!/:3.0] at MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.loading.targets.CommonServerLaunchHandler.runService(CommonServerLaunchHandler.java:32) ~[loader-3.0.45.jar%2361!/:3.0] at MC-BOOTSTRAP/fml_loader@3.0.45/net.neoforged.fml.loading.targets.CommonLaunchHandler.lambda$launchService$4(CommonLaunchHandler.java:118) ~[loader-3.0.45.jar%2361!/:3.0] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.2/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) [modlauncher-11.0.2.jar%2363!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.2/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-11.0.2.jar%2363!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.2/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-11.0.2.jar%2363!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.2/cpw.mods.modlauncher.Launcher.run(Launcher.java:103) [modlauncher-11.0.2.jar%2363!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.2/cpw.mods.modlauncher.Launcher.main(Launcher.java:74) [modlauncher-11.0.2.jar%2363!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.2/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-11.0.2.jar%2363!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.2/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-11.0.2.jar%2363!/:?] 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]