[27Sep2026 09:24:13.752] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--launchTarget, neoforgeserver, --fml.neoForgeVersion, 21.5.98, --fml.fmlVersion, 7.0.13, --fml.mcVersion, 1.21.5, --fml.neoFormVersion, 20250325.162830, nogui] [27Sep2026 09:24:13.755] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: JVM identified as Eclipse Adoptium OpenJDK 64-Bit Server VM 21.0.12.1+1-LTS [27Sep2026 09:24:13.756] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 11.0.4+main.d2e20e43 starting: java version 21.0.12.1 by Eclipse Adoptium; OS Linux arch amd64 version 5.15.0-1114-realtime [27Sep2026 09:24:13.926] [main/INFO] [net.neoforged.fml.loading.ImmediateWindowHandler/]: ImmediateWindowProvider not loading because launch target is neoforgeserver [27Sep2026 09:24:13.981] [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%2385!/ Service=ModLauncher Env=SERVER [27Sep2026 09:24:14.521] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "server-1.21.5-20250325.162830-srg.jar" [locator: production server provider +net.neoforged:neoforge:21.5.98:server] [27Sep2026 09:24:14.543] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "neoforge-21.5.98-universal.jar" [locator: PathBasedLocator[name=neoforge, paths=[libraries/net/neoforged/neoforge/21.5.98/neoforge-21.5.98-universal.jar]], reader: mod manifest] [27Sep2026 09:24:14.551] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "CreativeCore_NEOFORGE_v2.13.4_mc1.21.5.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest] [27Sep2026 09:24:14.554] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "waterframes-NEOFORGE-mc1.21.5-v2.1.22.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest] [27Sep2026 09:24:14.557] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "watermedia_youtube_plugin-2.1.2.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest] [27Sep2026 09:24:14.561] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "watervision-NF-mc1.21.5-v0.1.0-alpha.jar" [locator: {mods folder locator at /srv/pack/mods}, reader: mod manifest] [27Sep2026 09:24:14.690] [main/INFO] [net.neoforged.fml.loading.moddiscovery.locators.JarInJarDependencyLocator/]: Found 2 dependencies adding them to mods collection [27Sep2026 09:24:14.691] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found gamelibrary file "mixinextras-neoforge-0.5.3.jar" [parent: neoforge-21.5.98-universal.jar, locator: jarinjar, reader: mod manifest] [27Sep2026 09:24:14.691] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/SCAN]: Found library file "net.neoforged.neoforge-coremods-21.5.98.jar" [parent: neoforge-21.5.98-universal.jar, locator: jarinjar, reader: mod manifest] [27Sep2026 09:24:14.693] [main/INFO] [net.neoforged.fml.loading.moddiscovery.ModDiscoverer/]: Mod List: Name Version (Mod Id) CreativeCore 2.13.4 (creativecore) Minecraft 1.21.5 (minecraft) NeoForge 21.5.98 (neoforge) WaterFrames 2.1.22 (waterframes) WaterMedia YT Plugin 2.1.2 (watermedia_youtube_plugin) WaterVision 0.1.0-alpha (watervision) [27Sep2026 09:24:15.312] [main/INFO] [mixin/]: Compatibility level set to JAVA_17 [27Sep2026 09:24:15.315] [main/INFO] [mixin/]: Compatibility level set to JAVA_21 [27Sep2026 09:24:15.330] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'neoforgeserver' with arguments [nogui] [27Sep2026 09:24:15.603] [main/WARN] [mixin/]: Reference map 'watervision.mixin-refmap.json' for watervision.mixin.json could not be read. If this is a development environment you can ignore this message [27Sep2026 09:24:15.605] [main/WARN] [mixin/]: Reference map 'creativecore.mixins.refmap.json' for creativecore.mixins.json could not be read. If this is a development environment you can ignore this message [27Sep2026 09:24:15.606] [main/WARN] [mixin/]: Reference map 'creativecore.mixins.refmap.json' for creativecore.forge.mixins.json could not be read. If this is a development environment you can ignore this message [27Sep2026 09:24:16.797] [main/INFO] [MixinExtras|Service/]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.5.3). [27Sep2026 09:24:25.493] [modloading-worker-0/ERROR] [net.neoforged.fml.javafmlmod.FMLModContainer/LOADING]: Failed to create mod instance. ModID: watermedia_youtube_plugin, class org.watermedia.youtube.loaders.NeoFLoader java.lang.NoClassDefFoundError: org/watermedia/api/network/patchs/AbstractPatch at TRANSFORMER/watermedia_youtube_plugin@2.1.2/org.watermedia.youtube.loaders.NeoFLoader.(NeoFLoader.java:9) ~[watermedia_youtube_plugin-2.1.2.jar%23149!/:2.1.2] 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@7.0.13/net.neoforged.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:115) ~[loader-7.0.13.jar%2371!/:7.0] at MC-BOOTSTRAP/fml_loader@7.0.13/net.neoforged.fml.ModLoader.lambda$constructMods$3(ModLoader.java:151) ~[loader-7.0.13.jar%2371!/:7.0] at MC-BOOTSTRAP/fml_loader@7.0.13/net.neoforged.fml.ModLoader.lambda$dispatchParallelTask$7(ModLoader.java:229) ~[loader-7.0.13.jar%2371!/:7.0] at java.base/java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:934) [?:?] at java.base/java.util.concurrent.CompletableFuture$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: org.watermedia.api.network.patchs.AbstractPatch 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) ~[?:?] ... 15 more [27Sep2026 09:24:25.524] [modloading-worker-0/INFO] [net.neoforged.neoforge.common.NeoForgeMod/NEOFORGE-MOD]: NeoForge mod loading, version 21.5.98, for MC 1.21.5 [27Sep2026 09:24:25.708] [main/FATAL] [net.neoforged.fml.ModLoader/LOADING]: Failed to wait for future Mod Construction, 1 errors found [27Sep2026 09:24:25.837] [main/ERROR] [net.minecraft.CrashReport/]: Negative index in crash report handler (0/25) [27Sep2026 09:24:25.852] [main/FATAL] [net.neoforged.neoforge.common.NeoForgeMod/]: Preparing crash report with UUID 4f9a3daf-3512-44ec-9965-9843fb07bff8 [27Sep2026 09:24:25.853] [main/FATAL] [net.neoforged.neoforge.server.loading.ServerModLoader/]: Crash report saved to ./crash-reports/crash-2026-09-27_09.24.25-fml.txt [27Sep2026 09:24:25.854] [main/FATAL] [net.neoforged.neoforge.common.NeoForgeMod/]: Preparing crash report with UUID e7b38526-0a1c-4ef8-b424-916f5a577840 [27Sep2026 09:24:25.854] [main/ERROR] [net.minecraft.server.Main/FATAL]: Failed to start the minecraft server net.neoforged.fml.ModLoadingException: Loading errors encountered: - WaterMedia YT Plugin (watermedia_youtube_plugin) has failed to load correctly java.lang.NoClassDefFoundError: org/watermedia/api/network/patchs/AbstractPatch at MC-BOOTSTRAP/fml_loader@7.0.13/net.neoforged.fml.ModLoader.waitForFuture(ModLoader.java:279) ~[loader-7.0.13.jar%2371!/:7.0] at MC-BOOTSTRAP/fml_loader@7.0.13/net.neoforged.fml.ModLoader.dispatchParallelTask(ModLoader.java:242) ~[loader-7.0.13.jar%2371!/:7.0] at MC-BOOTSTRAP/fml_loader@7.0.13/net.neoforged.fml.ModLoader.constructMods(ModLoader.java:150) ~[loader-7.0.13.jar%2371!/:7.0] at MC-BOOTSTRAP/fml_loader@7.0.13/net.neoforged.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:140) ~[loader-7.0.13.jar%2371!/:7.0] at TRANSFORMER/neoforge@21.5.98/net.neoforged.neoforge.internal.CommonModLoader.begin(CommonModLoader.java:49) ~[neoforge-21.5.98-universal.jar%23146!/:?] at TRANSFORMER/neoforge@21.5.98/net.neoforged.neoforge.server.loading.ServerModLoader.load(ServerModLoader.java:29) ~[neoforge-21.5.98-universal.jar%23146!/:?] at TRANSFORMER/minecraft@1.21.5/net.minecraft.server.Main.main(Main.java:119) ~[server-1.21.5-20250325.162830-srg.jar%23145!/:?] 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@7.0.13/net.neoforged.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:128) ~[loader-7.0.13.jar%2371!/:7.0] at MC-BOOTSTRAP/fml_loader@7.0.13/net.neoforged.fml.loading.targets.CommonLaunchHandler.serverService(CommonLaunchHandler.java:124) ~[loader-7.0.13.jar%2371!/:7.0] at MC-BOOTSTRAP/fml_loader@7.0.13/net.neoforged.fml.loading.targets.NeoForgeServerLaunchHandler.runService(NeoForgeServerLaunchHandler.java:39) ~[loader-7.0.13.jar%2371!/:7.0] at MC-BOOTSTRAP/fml_loader@7.0.13/net.neoforged.fml.loading.targets.CommonLaunchHandler.lambda$launchService$4(CommonLaunchHandler.java:114) ~[loader-7.0.13.jar%2371!/:7.0] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.4/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) [modlauncher-11.0.4.jar%2376!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.4/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-11.0.4.jar%2376!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.4/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-11.0.4.jar%2376!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.4/cpw.mods.modlauncher.Launcher.run(Launcher.java:103) [modlauncher-11.0.4.jar%2376!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.4/cpw.mods.modlauncher.Launcher.main(Launcher.java:74) [modlauncher-11.0.4.jar%2376!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.4/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-11.0.4.jar%2376!/:?] at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.4/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-11.0.4.jar%2376!/:?] 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]