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 1.21.11 - Java 21 Running Fabric checks and setup... fabric-server-launcher.jar present. Moving on... Starting server... Minecraft version: 1.21.11 Modloader: Fabric Modloader version: 0.19.5 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 Launcher JAR: fabric-server-launcher.jar Run Command: /opt/java-21/bin/java -Dlog4j2.formatMsgNoLookups=true -jar fabric-server-launcher.jar 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) Starting net.fabricmc.loader.impl.game.minecraft.BundlerClassPathCapture [18:17:48] [main/INFO]: Loading Minecraft 1.21.11 with Fabric Loader 0.19.5 [18:17:48] [main/INFO]: Loading 55 mods: - cobblemon 1.6.1+1.21.1 \-- fabric-language-kotlin 1.11.0+kotlin.2.0.0 |-- org_jetbrains_kotlin_kotlin-reflect 2.0.0 |-- org_jetbrains_kotlin_kotlin-stdlib 2.0.0 |-- org_jetbrains_kotlin_kotlin-stdlib-jdk7 2.0.0 |-- org_jetbrains_kotlin_kotlin-stdlib-jdk8 2.0.0 |-- org_jetbrains_kotlinx_atomicfu-jvm 0.24.0 |-- org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm 1.8.1 |-- org_jetbrains_kotlinx_kotlinx-coroutines-jdk8 1.8.1 |-- org_jetbrains_kotlinx_kotlinx-datetime-jvm 0.6.0 |-- org_jetbrains_kotlinx_kotlinx-serialization-cbor-jvm 1.6.3 |-- org_jetbrains_kotlinx_kotlinx-serialization-core-jvm 1.6.3 \-- org_jetbrains_kotlinx_kotlinx-serialization-json-jvm 1.6.3 - cobblemon_minimons 1.2.6 - fabric-api 0.141.6+1.21.11 |-- fabric-api-base 1.0.5+4ebb5c083e |-- fabric-api-lookup-api-v1 1.6.114+20dc27073e |-- fabric-biome-api-v1 17.1.1+4fc5413f3e |-- fabric-block-api-v1 1.1.10+4ebb5c083e |-- fabric-block-view-api-v2 1.0.39+4ebb5c083e |-- fabric-command-api-v2 2.4.7+6b42a6003e |-- fabric-content-registries-v0 10.2.14+4fc5413f3e |-- fabric-convention-tags-v1 2.1.55+7f945d5b3e |-- fabric-convention-tags-v2 2.17.3+8ef948ba3e |-- fabric-crash-report-info-v1 0.3.23+4ebb5c083e |-- fabric-data-attachment-api-v1 1.8.48+eed0806f3e |-- fabric-data-generation-api-v1 23.5.0+88d7da613e |-- fabric-dimensions-v1 4.0.28+4fc5413f3e |-- fabric-entity-events-v1 3.1.1+1d0ab4303e |-- fabric-events-interaction-v0 4.1.1+3b89ecf63e |-- fabric-game-rule-api-v1 2.0.3+4fc5413f3e |-- fabric-item-api-v1 11.6.0+67f17bb43e |-- fabric-item-group-api-v1 4.2.36+4fc5413f3e |-- fabric-lifecycle-events-v1 2.6.15+4ebb5c083e |-- fabric-loot-api-v2 3.0.73+3f89f5a53e |-- fabric-loot-api-v3 2.0.20+78c8b4663e |-- fabric-message-api-v1 6.1.12+4ebb5c083e |-- fabric-networking-api-v1 5.1.6+6b6d71a53e |-- fabric-object-builder-api-v1 21.1.40+4fc5413f3e |-- fabric-particles-v1 4.2.12+4fc5413f3e |-- fabric-recipe-api-v1 8.2.4+4ebb5c083e |-- fabric-registry-sync-v0 6.2.6+1718722b3e |-- fabric-rendering-fluids-v1 3.1.43+4ebb5c083e |-- fabric-resource-conditions-api-v1 5.0.35+4fc5413f3e |-- fabric-resource-loader-v0 3.3.4+4fc5413f3e |-- fabric-resource-loader-v1 1.0.10+78c8b4663e |-- fabric-screen-handler-api-v1 1.3.162+4fc5413f3e |-- fabric-serialization-api-v1 1.0.5+4ebb5c083e |-- fabric-tag-api-v1 1.3.0+88d7da613e |-- fabric-transfer-api-v1 6.0.25+4fc5413f3e \-- fabric-transitive-access-wideners-v1 7.1.0+014c8cec3e - fabricloader 0.19.5 \-- mixinextras 0.5.5 - java 21 - minecraft 1.21.11 [18:17:49] [main/INFO]: SpongePowered MIXIN Subsystem Version=0.8.7 Source=file:/srv/pack/libraries/net/fabricmc/sponge-mixin/0.17.4+mixin.0.8.7/sponge-mixin-0.17.4+mixin.0.8.7.jar Service=Knot/Fabric Env=SERVER [18:17:49] [main/ERROR]: Mixin prepare for mod cobblemon failed preparing ExplosionMixin in mixins.cobblemon-common.json: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException @Mixin target type mismatch: net.minecraft.class_1927 is an interface in org.spongepowered.asm.mixin.transformer.MixinInfo$SubType$Standard@82c57b3 org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: @Mixin target type mismatch: net.minecraft.class_1927 is an interface in org.spongepowered.asm.mixin.transformer.MixinInfo$SubType$Standard@82c57b3 at org.spongepowered.asm.mixin.transformer.MixinInfo$SubType.validateTarget(MixinInfo.java:533) at org.spongepowered.asm.mixin.transformer.MixinInfo.getTargetClass(MixinInfo.java:1052) at org.spongepowered.asm.mixin.transformer.MixinInfo.readTargetClasses(MixinInfo.java:1033) at org.spongepowered.asm.mixin.transformer.MixinInfo.parseTargets(MixinInfo.java:917) at org.spongepowered.asm.mixin.transformer.MixinConfig.prepareMixins(MixinConfig.java:950) at org.spongepowered.asm.mixin.transformer.MixinConfig.prepare(MixinConfig.java:858) at org.spongepowered.asm.mixin.transformer.MixinProcessor.prepareConfigs(MixinProcessor.java:587) at org.spongepowered.asm.mixin.transformer.MixinProcessor.select(MixinProcessor.java:509) at org.spongepowered.asm.mixin.transformer.MixinProcessor.checkSelect(MixinProcessor.java:485) at org.spongepowered.asm.mixin.transformer.MixinProcessor.lockAndSelect(MixinProcessor.java:437) at org.spongepowered.asm.mixin.transformer.MixinProcessor.couldTransformClass(MixinProcessor.java:397) at org.spongepowered.asm.mixin.transformer.MixinTransformer.couldTransformClass(MixinTransformer.java:265) at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:233) at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202) at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:435) at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:336) at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:231) at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:510) at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72) at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) at net.fabricmc.installer.ServerLauncher.main(ServerLauncher.java:69) [18:17:49] [main/ERROR]: Uncaught exception in thread "main" java.lang.RuntimeException: An exception occurred when launching the server! at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:71) at net.fabricmc.installer.ServerLauncher.main(ServerLauncher.java:69) Caused by: java.lang.RuntimeException: Mixin transformation of net.minecraft.server.Main failed at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:440) at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:336) at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:231) at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:510) at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72) at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) ... 1 more Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [mixins.cobblemon-common.json:ExplosionMixin from mod cobblemon] from phase [DEFAULT] in config [mixins.cobblemon-common.json] FAILED during PREPARE at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinError(MixinProcessor.java:685) at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinPrepareError(MixinProcessor.java:632) at org.spongepowered.asm.mixin.transformer.MixinProcessor.prepareConfigs(MixinProcessor.java:590) at org.spongepowered.asm.mixin.transformer.MixinProcessor.select(MixinProcessor.java:509) at org.spongepowered.asm.mixin.transformer.MixinProcessor.checkSelect(MixinProcessor.java:485) at org.spongepowered.asm.mixin.transformer.MixinProcessor.lockAndSelect(MixinProcessor.java:437) at org.spongepowered.asm.mixin.transformer.MixinProcessor.couldTransformClass(MixinProcessor.java:397) at org.spongepowered.asm.mixin.transformer.MixinTransformer.couldTransformClass(MixinTransformer.java:265) at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:233) at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202) at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:435) ... 9 more Caused by: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: @Mixin target type mismatch: net.minecraft.class_1927 is an interface in org.spongepowered.asm.mixin.transformer.MixinInfo$SubType$Standard@82c57b3 at org.spongepowered.asm.mixin.transformer.MixinInfo$SubType.validateTarget(MixinInfo.java:533) at org.spongepowered.asm.mixin.transformer.MixinInfo.getTargetClass(MixinInfo.java:1052) at org.spongepowered.asm.mixin.transformer.MixinInfo.readTargetClasses(MixinInfo.java:1033) at org.spongepowered.asm.mixin.transformer.MixinInfo.parseTargets(MixinInfo.java:917) at org.spongepowered.asm.mixin.transformer.MixinConfig.prepareMixins(MixinConfig.java:950) at org.spongepowered.asm.mixin.transformer.MixinConfig.prepare(MixinConfig.java:858) at org.spongepowered.asm.mixin.transformer.MixinProcessor.prepareConfigs(MixinProcessor.java:587) ... 17 more Exiting...