[25Sep2026 06:24:24.532] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--launchTarget, forge_server, nogui] [25Sep2026 06:24:24.535] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: JVM identified as Eclipse Adoptium OpenJDK 64-Bit Server VM 17.0.20.1+1 [25Sep2026 06:24:24.537] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 10.1.2 starting: java version 17.0.20.1 by Eclipse Adoptium; OS Linux arch amd64 version 5.15.0-1114-realtime [25Sep2026 06:24:24.644] [main/INFO] [net.minecraftforge.fml.loading.ImmediateWindowHandler/]: ImmediateWindowProvider not loading because launch target is forge_server [25Sep2026 06:24:24.788] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.5 Source=jar:file:///srv/pack/libraries/org/spongepowered/mixin/0.8.5/mixin-0.8.5.jar!/ Service=ModLauncher Env=SERVER [25Sep2026 06:24:25.062] [main/INFO] [net.minecraftforge.fml.loading.moddiscovery.JarInJarDependencyLocator/]: No dependencies to load found. Skipping! [25Sep2026 06:24:26.240] [main/INFO] [mixin/]: Compatibility level set to JAVA_17 [25Sep2026 06:24:26.241] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'forge_server' with arguments [nogui] [25Sep2026 06:24:26.734] [main/WARN] [oshi.util.FileUtil/]: Configuration conflict: there is more than one oshi.properties file on the classpath: [jar:file:///srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.properties, jar:file:/srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.properties, jar:file:///srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.properties, jar:file:/srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.properties] [25Sep2026 06:24:26.957] [main/WARN] [oshi.util.FileUtil/]: Configuration conflict: there is more than one oshi.architecture.properties file on the classpath: [jar:file:///srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.architecture.properties, jar:file:/srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.architecture.properties, jar:file:///srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.architecture.properties, jar:file:/srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.architecture.properties] [25Sep2026 06:24:33.390] [modloading-worker-0/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/LOADING]: Failed to create mod instance. ModID: dragonmounts, class com.github.kay9.dragonmounts.ForgeModImpl java.lang.NoClassDefFoundError: net/minecraftforge/network/NetworkRegistry$ChannelBuilder at com.github.kay9.dragonmounts.ForgeModImpl.(ForgeModImpl.java:44) ~[dragonmounts-1.20.1-1.2.0-beta.jar!/:1.20.1-1.2.0-beta] at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500) ~[?:?] at java.lang.reflect.Constructor.newInstance(Constructor.java:481) ~[?:?] at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:72) ~[javafmllanguage-1.20.4-49.2.9.jar!/:49.2.9] at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$5(ModContainer.java:125) ~[fmlcore-1.20.4-49.2.9.jar!/:1.0] at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] Caused by: java.lang.ClassNotFoundException: net.minecraftforge.network.NetworkRegistry$ChannelBuilder at net.minecraftforge.securemodules.SecureModuleClassLoader.loadClass(SecureModuleClassLoader.java:454) ~[securemodules-2.2.21.jar!/:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?] ... 15 more [25Sep2026 06:24:33.402] [modloading-worker-0/INFO] [net.minecraftforge.common.ForgeMod/FORGEMOD]: Forge mod loading, version 49.2.9, for MC 1.20.4 with MCP 20231207.112700 [25Sep2026 06:24:33.403] [modloading-worker-0/INFO] [net.minecraftforge.common.MinecraftForge/FORGE]: MinecraftForge v49.2.9 Initialized [25Sep2026 06:24:33.431] [modloading-worker-0/INFO] [net.minecraftforge.common.ForgeMod/FORGEMOD]: Opening jdk.naming.dns/com.sun.jndi.dns to java.naming [25Sep2026 06:24:33.614] [main/FATAL] [net.minecraftforge.fml.ModLoader/LOADING]: Failed to complete lifecycle event CONSTRUCT, 1 errors found [25Sep2026 06:24:33.738] [main/WARN] [oshi.util.FileUtil/]: Configuration conflict: there is more than one oshi.architecture.properties file on the classpath: [jar:file:///srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.architecture.properties, jar:file:/srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.architecture.properties, jar:file:///srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.architecture.properties, jar:file:/srv/pack/libraries/com/github/oshi/oshi-core/6.4.5/oshi-core-6.4.5.jar!/oshi.architecture.properties] [25Sep2026 06:24:33.748] [main/ERROR] [net.minecraft.CrashReport/]: Negative index in crash report handler (38/40) [25Sep2026 06:24:33.767] [main/ERROR] [net.minecraftforge.logging.CrashReportAnalyser/]: Failed to append suspected mod(s) to crash report! java.lang.ExceptionInInitializerError: null at java.lang.Class.forName0(Native Method) ~[?:?] at java.lang.Class.forName(Class.java:377) ~[?:?] at net.minecraftforge.logging.CrashReportAnalyser.findMixinMerged(CrashReportAnalyser.java:187) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraftforge.logging.CrashReportAnalyser.getMixinInfo(CrashReportAnalyser.java:211) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraftforge.logging.CrashReportAnalyser.identifyByMixins(CrashReportAnalyser.java:147) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraftforge.logging.CrashReportAnalyser.scanStacktrace(CrashReportAnalyser.java:116) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraftforge.logging.CrashReportAnalyser.scanThrowable(CrashReportAnalyser.java:102) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraftforge.logging.CrashReportAnalyser.analyseCrashReport(CrashReportAnalyser.java:55) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraftforge.logging.CrashReportAnalyser.appendSuspectedMods(CrashReportAnalyser.java:39) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraft.CrashReport.m_127519_(CrashReport.java:62) ~[forge-1.20.4-49.2.9-server.jar:?] at net.minecraft.CrashReport.m_127526_(CrashReport.java:115) ~[forge-1.20.4-49.2.9-server.jar:?] at net.minecraft.CrashReport.m_127512_(CrashReport.java:137) ~[forge-1.20.4-49.2.9-server.jar:?] at net.minecraftforge.logging.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:68) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraftforge.server.loading.ServerModLoader.load(ServerModLoader.java:37) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraft.server.Main.main(Main.java:121) ~[forge-1.20.4-49.2.9-server.jar:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] at net.minecraftforge.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:91) ~[fmlloader-1.20.4-49.2.9.jar:?] at net.minecraftforge.fml.loading.targets.CommonLaunchHandler.lambda$makeService$0(CommonLaunchHandler.java:75) ~[fmlloader-1.20.4-49.2.9.jar:?] at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) ~[modlauncher-10.1.2.jar:?] at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:74) ~[modlauncher-10.1.2.jar:?] at cpw.mods.modlauncher.Launcher.run(Launcher.java:114) ~[modlauncher-10.1.2.jar:?] at cpw.mods.modlauncher.Launcher.main(Launcher.java:73) ~[modlauncher-10.1.2.jar:?] at cpw.mods.modlauncher.BootstrapEntry.main(BootstrapEntry.java:17) ~[modlauncher-10.1.2.jar:?] at net.minecraftforge.bootstrap.Bootstrap.moduleMain(Bootstrap.java:188) ~[bootstrap-2.1.8.jar!/:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] at net.minecraftforge.bootstrap.Bootstrap.bootstrapMain(Bootstrap.java:133) ~[bootstrap-2.1.8.jar!/:?] at net.minecraftforge.bootstrap.Bootstrap.start(Bootstrap.java:53) ~[bootstrap-2.1.8.jar!/:?] at net.minecraftforge.bootstrap.ForgeBootstrap.main(ForgeBootstrap.java:19) ~[bootstrap-2.1.8.jar!/:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] at net.minecraftforge.bootstrap.shim.Main.main(Main.java:101) ~[forge-1.20.4-49.2.9-shim.jar!/:2.1.8] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] at net.neoforged.serverstarterjar.Main8.main(Main8.java:19) ~[server.jar!/:0.1.35] Caused by: java.lang.NullPointerException: Cannot invoke "java.lang.instrument.Instrumentation.redefineModule(java.lang.Module, java.util.Set, java.util.Map, java.util.Map, java.util.Set, java.util.Map)" because "net.neoforged.serverstarterjar.Agent.instrumentation" is null at net.neoforged.serverstarterjar.Main.open(Main.java:393) ~[server.jar!/:0.1.35] at net.neoforged.serverstarterjar.Main.(Main.java:50) ~[server.jar!/:0.1.35] ... 50 more [25Sep2026 06:24:33.774] [main/FATAL] [net.minecraftforge.common.ForgeMod/]: Preparing crash report with UUID db966a2a-aada-453e-9e39-1bdc454f3284 [25Sep2026 06:24:33.775] [main/FATAL] [net.minecraftforge.server.loading.ServerModLoader/]: Crash report saved to ./crash-reports/crash-2026-09-25_06.24.33-fml.txt [25Sep2026 06:24:33.786] [main/FATAL] [net.minecraftforge.common.ForgeMod/]: Preparing crash report with UUID 03493f8c-12d4-4aae-b136-967db33084ad [25Sep2026 06:24:33.786] [main/ERROR] [net.minecraft.server.Main/FATAL]: Failed to start the minecraft server net.minecraftforge.fml.LoadingFailedException: Loading errors encountered: [ Dragon Mounts: Legacy (dragonmounts) has failed to load correctly ?7java.lang.NoClassDefFoundError: net/minecraftforge/network/NetworkRegistry$ChannelBuilder ] at net.minecraftforge.fml.ModLoader.waitForTransition(ModLoader.java:247) ~[fmlcore-1.20.4-49.2.9.jar:1.0] at net.minecraftforge.fml.ModLoader.lambda$dispatchAndHandleError$20(ModLoader.java:212) ~[fmlcore-1.20.4-49.2.9.jar:1.0] at java.util.Optional.ifPresent(Optional.java:178) ~[?:?] at net.minecraftforge.fml.ModLoader.dispatchAndHandleError(ModLoader.java:212) ~[fmlcore-1.20.4-49.2.9.jar:1.0] at net.minecraftforge.fml.ModLoader.lambda$gatherAndInitializeMods$13(ModLoader.java:185) ~[fmlcore-1.20.4-49.2.9.jar:1.0] at java.lang.Iterable.forEach(Iterable.java:75) ~[?:?] at net.minecraftforge.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:185) ~[fmlcore-1.20.4-49.2.9.jar:1.0] at net.minecraftforge.server.loading.ServerModLoader.load(ServerModLoader.java:30) ~[forge-1.20.4-49.2.9-universal.jar:?] at net.minecraft.server.Main.main(Main.java:121) ~[forge-1.20.4-49.2.9-server.jar:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] at net.minecraftforge.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:91) ~[fmlloader-1.20.4-49.2.9.jar:?] at net.minecraftforge.fml.loading.targets.CommonLaunchHandler.lambda$makeService$0(CommonLaunchHandler.java:75) ~[fmlloader-1.20.4-49.2.9.jar:?] at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) ~[modlauncher-10.1.2.jar:?] at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:74) ~[modlauncher-10.1.2.jar:?] at cpw.mods.modlauncher.Launcher.run(Launcher.java:114) ~[modlauncher-10.1.2.jar:?] at cpw.mods.modlauncher.Launcher.main(Launcher.java:73) ~[modlauncher-10.1.2.jar:?] at cpw.mods.modlauncher.BootstrapEntry.main(BootstrapEntry.java:17) ~[modlauncher-10.1.2.jar:?] at net.minecraftforge.bootstrap.Bootstrap.moduleMain(Bootstrap.java:188) ~[bootstrap-2.1.8.jar!/:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] at net.minecraftforge.bootstrap.Bootstrap.bootstrapMain(Bootstrap.java:133) ~[bootstrap-2.1.8.jar!/:?] at net.minecraftforge.bootstrap.Bootstrap.start(Bootstrap.java:53) ~[bootstrap-2.1.8.jar!/:?] at net.minecraftforge.bootstrap.ForgeBootstrap.main(ForgeBootstrap.java:19) ~[bootstrap-2.1.8.jar!/:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] at net.minecraftforge.bootstrap.shim.Main.main(Main.java:101) ~[forge-1.20.4-49.2.9-shim.jar!/:2.1.8] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] at net.neoforged.serverstarterjar.Main8.main(Main8.java:19) ~[server.jar!/:0.1.35]