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: 21.1.252 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 21.1.252 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) [14:16:02.541] [main/INFO] [Launcher/MODLAUNCHER]: ModLauncher running: args [--launchTarget, forgeserver, --fml.neoForgeVersion, 21.1.252, --fml.fmlVersion, 4.0.44, --fml.mcVersion, 1.21.1, --fml.neoFormVersion, 20240808.144430, nogui] [14:16:02.543] [main/INFO] [Launcher/MODLAUNCHER]: JVM identified as Eclipse Adoptium OpenJDK 64-Bit Server VM 21.0.12.1+1-LTS [14:16:02.545] [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 [14:16:02.693] [main/INFO] [loading.ImmediateWindowHandler/]: ImmediateWindowProvider not loading because launch target is forgeserver [14:16:02.751] [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 Exception in thread "main" java.util.ServiceConfigurationError: net.neoforged.neoforgespi.locating.IModFileCandidateLocator: Unable to load com.ishland.c2me.opts.accel.opencl.wrapper.ModWrapper at java.base/java.util.ServiceLoader.fail(ServiceLoader.java:586) at java.base/java.util.ServiceLoader.loadProvider(ServiceLoader.java:861) at java.base/java.util.ServiceLoader$LayerLookupIterator.hasNext(ServiceLoader.java:958) at java.base/java.util.ServiceLoader$ProviderSpliterator.tryAdvance(ServiceLoader.java:1491) at java.base/java.util.Spliterator.forEachRemaining(Spliterator.java:332) at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:310) at MC-BOOTSTRAP/com.google.common@32.1.2-jre/com.google.common.collect.CollectSpliterators$FlatMapSpliterator.lambda$forEachRemaining$1(CollectSpliterators.java:378) at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:1024) at MC-BOOTSTRAP/com.google.common@32.1.2-jre/com.google.common.collect.CollectSpliterators$FlatMapSpliterator.forEachRemaining(CollectSpliterators.java:374) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:575) at java.base/java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:616) at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:622) at java.base/java.util.stream.ReferencePipeline.toList(ReferencePipeline.java:627) at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.util.ServiceLoaderUtil.loadServices(ServiceLoaderUtil.java:59) at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.loading.moddiscovery.ModDiscoverer.(ModDiscoverer.java:54) at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.loading.FMLLoader.beginModScan(FMLLoader.java:130) at MC-BOOTSTRAP/fml_loader@4.0.44/net.neoforged.fml.loading.FMLServiceProvider.beginScanning(FMLServiceProvider.java:84) at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.TransformationServiceDecorator.runScan(TransformationServiceDecorator.java:97) at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.TransformationServicesHandler.lambda$runScanningTransformationServices$7(TransformationServicesHandler.java:94) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) at java.base/java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1787) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:575) at java.base/java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:616) at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:622) at java.base/java.util.stream.ReferencePipeline.toList(ReferencePipeline.java:627) at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.TransformationServicesHandler.runScanningTransformationServices(TransformationServicesHandler.java:96) at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.TransformationServicesHandler.initializeTransformationServices(TransformationServicesHandler.java:50) at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.Launcher.run(Launcher.java:84) at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.Launcher.main(Launcher.java:74) at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) at MC-BOOTSTRAP/cpw.mods.modlauncher@11.0.5/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) at cpw.mods.bootstraplauncher@2.0.2/cpw.mods.bootstraplauncher.BootstrapLauncher.run(BootstrapLauncher.java:210) at cpw.mods.bootstraplauncher@2.0.2/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:69) 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) at net.neoforged.serverstarterjar.Main.main(Main.java:76) 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) Caused by: java.lang.UnsupportedClassVersionError: com/ishland/c2me/opts/accel/opencl/wrapper/ModWrapper has been compiled by a more recent version of the Java Runtime (class file version 69.0), this version of the Java Runtime only recognizes class file versions up to 65.0 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 java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:638) at java.base/java.lang.Class.forName(Class.java:627) at java.base/java.lang.Class.forName(Class.java:602) at java.base/java.util.ServiceLoader.loadProvider(ServiceLoader.java:859) ... 47 more Exiting...