---- Minecraft Crash Report ---- // This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~] Time: 2025-11-15 16:25:28 Description: Exception in server tick loop java.lang.NoClassDefFoundError: org/geysermc/geyser/api/item/custom/v2/CustomItemDefinition$Builder at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3006) at java.base/java.lang.Class.getConstructor0(Class.java:3211) at java.base/java.lang.Class.getConstructor(Class.java:2201) at java.base/java.util.ServiceLoader.getConstructor(ServiceLoader.java:623) at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1111) at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1142) at java.base/java.util.ServiceLoader$1.hasNext(ServiceLoader.java:1164) at java.base/java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1246) at knot//org.geysermc.hydraulic.pack.PackManager.initialize(PackManager.java:126) at knot//org.geysermc.hydraulic.HydraulicImpl.onServerStarting(HydraulicImpl.java:53) at knot//net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.lambda$static$0(ServerLifecycleEvents.java:38) at net.minecraft.server.MinecraftServer.handler$zge000$fabric-lifecycle-events-v1$beforeSetupServer(MinecraftServer.java:3332) at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:737) at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:297) at java.base/java.lang.Thread.run(Thread.java:1447) Caused by: java.lang.ClassNotFoundException: org.geysermc.geyser.api.item.custom.v2.CustomItemDefinition$Builder at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:580) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490) at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:239) at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490) ... 16 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.21.10 Minecraft Version ID: 1.21.10 Operating System: FreeBSD (amd64) version 13.3-RELEASE-p4 Java Version: 24.0.2, OpenJDK BSD Porting Team Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), OpenJDK BSD Porting Team Memory: 14722006856 bytes (14039 MiB) / 17179869184 bytes (16384 MiB) up to 17179869184 bytes (16384 MiB) CPUs: 32 Processor Vendor: Processor Name: AMD Ryzen 9 5950X 16-Core Processor Identifier: Family Model Stepping Microarchitecture: unknown Frequency (GHz): 3.39 Number of physical packages: 2 Number of physical CPUs: 16 Number of logical CPUs: 32 Virtual memory max (MiB): 87933.13 Virtual memory used (MiB): 45812.83 Swap memory total (MiB): 22528.00 Swap memory used (MiB): 0.00 Space in storage for jna.tmpdir (MiB): Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): Space in storage for io.netty.native.workdir (MiB): Space in storage for java.io.tmpdir (MiB): available: 600652.25, total: 853342.44 Space in storage for workdir (MiB): available: 600652.25, total: 853342.44 JVM Flags: 7 total; -Xmx16384M -Xms16384M -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:+UseLargePages -XX:LargePageSizeInBytes=2m Debug Flags: 0 total; Fabric Mods: alternate-current: Alternate Current 1.9.0 commonnetworking: Common Network 1.0.22-1.21.10 deimos: Deimos 2.4 explosive-party: Explosive Party 2.0.2-1.21.9 fabric-api: Fabric API 0.138.3+1.21.10 fabric-api-base: Fabric API Base 1.0.0+14b92d896f fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.106+d17682156f fabric-biome-api-v1: Fabric Biome API (v1) 16.1.0+c2417d4f6f fabric-block-api-v1: Fabric Block API (v1) 1.1.5+d17682156f fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.34+e4fd1b926f fabric-command-api-v2: Fabric Command API (v2) 2.4.0+c0ab2d5d6f fabric-content-registries-v0: Fabric Content Registries (v0) 10.2.6+b6a242646f fabric-convention-tags-v1: Fabric Convention Tags 2.1.49+7f945d5b6f fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.17.0+ff7bc77d6f fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.3.18+33df5e6e6f fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.8.33+cd3b9e596f fabric-data-generation-api-v1: Fabric Data Generation API (v1) 23.2.27+d8b85ef16f fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.22+38b9cc196f fabric-entity-events-v1: Fabric Entity Events (v1) 2.1.13+fde3702c6f fabric-events-interaction-v0: Fabric Events Interaction (v0) 4.0.36+5ba217126f fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.1.1+e47eaae56f fabric-item-api-v1: Fabric Item API (v1) 11.5.11+9bce411b6f fabric-item-group-api-v1: Fabric Item Group API (v1) 4.2.27+86b3ae576f fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.9+33df5e6e6f fabric-loot-api-v2: Fabric Loot API (v2) 3.0.67+3f89f5a56f fabric-loot-api-v3: Fabric Loot API (v3) 2.0.14+d17682156f fabric-message-api-v1: Fabric Message API (v1) 6.1.7+3154c1c86f fabric-networking-api-v1: Fabric Networking API (v1) 5.1.0+b095d8db6f fabric-object-builder-api-v1: Fabric Object Builder API (v1) 21.1.28+9bce411b6f fabric-particles-v1: Fabric Particles (v1) 4.2.3+a0ee59a46f fabric-recipe-api-v1: Fabric Recipe API (v1) 8.2.0+39709ef06f fabric-registry-sync-v0: Fabric Registry Sync (v0) 6.1.42+679c8c5c6f fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.38+86b3ae576f fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.28+33df5e6e6f fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.3.1+d4d4122a6f fabric-resource-loader-v1: Fabric Resource Loader (v1) 1.0.4+14959b836f fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.151+d17682156f fabric-serialization-api-v1: Fabric Serialization API (v1) 1.0.0+d857c9766f fabric-tag-api-v1: Fabric Tag API (v1) 1.2.13+2fa446b26f fabric-transfer-api-v1: Fabric Transfer API (v1) 6.0.15+79ec2c126f fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 6.5.3+41eb43436f fabricloader: Fabric Loader 0.18.0 mixinextras: MixinExtras 0.5.0 ferritecore: FerriteCore 8.0.2 floodgate: Floodgate 2.2.6-SNAPSHOT aopalliance_aopalliance: aopalliance 1.0 com_google_guava_failureaccess: failureaccess 1.0.1 fabric-permissions-api-v0: fabric-permissions-api 0.4.1 jakarta_inject_jakarta_inject-api: jakarta.inject-api 2.0.1 javax_inject_javax_inject: javax.inject 1 org_geysermc_cumulus_cumulus: cumulus 1.1.2 org_geysermc_event_events: events 1.1-SNAPSHOT org_geysermc_geyser_common_unshaded: common 2.2.1-SNAPSHOT org_java-websocket_java-websocket: Java-WebSocket 1.5.2 org_lanternpowered_lmbda: lmbda 2.0.0 geyser-fabric: Geyser-Fabric 2.9.0-SNAPSHOT cloud: Cloud 2.0.0-beta.13 io_leangen_geantyref_geantyref: geantyref 1.3.15 org_incendo_cloud-brigadier: cloud-brigadier 2.0.0-beta.11 org_incendo_cloud-core: cloud-core 2.0.0 org_incendo_cloud-minecraft-modded-common-fabric-repack: cloud-minecraft-modded-common-fabric-repack 2.0.0-beta.13 org_incendo_cloud-services: cloud-services 2.0.0 com_fasterxml_jackson_core_jackson-annotations: jackson-annotations 2.18.0 com_fasterxml_jackson_core_jackson-core: jackson-core 2.18.0 com_fasterxml_jackson_core_jackson-databind: jackson-databind 2.18.0 com_fasterxml_jackson_dataformat_jackson-dataformat-yaml: jackson-dataformat-yaml 2.18.0 com_google_errorprone_error_prone_annotations: error_prone_annotations 2.27.0 com_nukkitx_natives: natives 1.0.3 io_airlift_aircompressor: aircompressor 0.27 io_jsonwebtoken_jjwt-api: jjwt-api 0.12.6 io_jsonwebtoken_jjwt-gson: jjwt-gson 0.12.6 io_jsonwebtoken_jjwt-impl: jjwt-impl 0.12.6 io_netty_netty-codec-haproxy: netty-codec-haproxy 4.2.7 net_jodah_expiringmap: expiringmap 0.5.10 net_kyori_adventure-api: adventure-api 4.25.0 net_kyori_adventure-key: adventure-key 4.25.0 net_kyori_adventure-nbt: adventure-nbt 4.25.0 net_kyori_adventure-text-serializer-commons: adventure-text-serializer-commons 4.25.0 net_kyori_adventure-text-serializer-gson: adventure-text-serializer-gson 4.25.0 net_kyori_adventure-text-serializer-json: adventure-text-serializer-json 4.25.0 net_kyori_adventure-text-serializer-json-legacy-impl: adventure-text-serializer-json-legacy-impl 4.25.0 net_kyori_adventure-text-serializer-legacy: adventure-text-serializer-legacy 4.25.0 net_kyori_adventure-text-serializer-plain: adventure-text-serializer-plain 4.25.0 net_kyori_examination-api: examination-api 1.3.0 net_kyori_examination-string: examination-string 1.3.0 net_kyori_option: option 1.1.0 net_lenni0451_commons_httpclient: httpclient 1.6.0 net_raphimc_minecraftauth: MinecraftAuth 4.1.1 org_bitbucket_b_c_jose4j: jose4j 0.9.6 org_cloudburstmc_math_api: api 2.0 org_cloudburstmc_math_immutable: immutable 2.0 org_cloudburstmc_nbt: nbt 3.0.3 org_geysermc_api_base-api: base-api 1.0.2 org_yaml_snakeyaml: snakeyaml 2.2 hydraulic: Hydraulic 1.0.0-SNAPSHOT com_github_geysermc_unnamed-creative_creative-api: creative-api 817fa982c4 com_github_geysermc_unnamed-creative_creative-seriffd92408186d4d: creative-serializer-minecraft 817fa982c4 com_twelvemonkeys_common_common-image: common-image 3.9.4 com_twelvemonkeys_common_common-io: common-io 3.9.4 com_twelvemonkeys_common_common-lang: common-lang 3.9.4 com_twelvemonkeys_imageio_imageio-core: imageio-core 3.9.4 com_twelvemonkeys_imageio_imageio-tga: imageio-tga 3.9.4 commons-io_commons-io: commons-io 2.11.0 org_geysermc_pack_converter: converter 3.4.1-SNAPSHOT org_geysermc_pack_pack-schema-api: pack-schema-api 3.4.1-SNAPSHOT org_jetbrains_annotations: annotations 24.0.1 java: OpenJDK 64-Bit Server VM 24 jmws: JourneyMap Waypoint Syncing 1.1.7-1.21.10 journeymap: Journeymap 1.21.10-6.0.0-beta.54 ar_com_hjg_pngj: pngj 2.1.0 journeymap-api-fabric: JourneyMap API 2.0.0-1.21.10-SNAPSHOT lithium: Lithium 0.20.1+mc1.21.10 minecraft: Minecraft 1.21.10 morediscs: More Music Discs 35.1 owo: oωo 0.12.24+1.21.9 blue_endless_jankson: jankson 1.2.2 io_wispforest_endec: endec 0.1.11 io_wispforest_endec_gson: gson 0.1.6 io_wispforest_endec_jankson: jankson 0.1.6 io_wispforest_endec_netty: netty 0.1.5 panda-tnt-fusion: panda-tnt-fusion 1.0.0_1.21.9+1.21.10 mixinsquared: MixinSquared 0.2.0 scalablelux: ScalableLux 0.1.6+fabric.c25518a toomanypaintings: Too Many Paintings! 25.10.20-1.21.2-fabric Server Running: true Active Data Packs: vanilla, fabric, fabric-convention-tags-v2, morediscs (incompatible), toomanypaintings, file/LuckyBlockDatapack-1.1.zip (incompatible) Available Data Packs: fabric, fabric-convention-tags-v2, file/LuckyBlockDatapack-1.1.zip (incompatible), minecart_improvements, morediscs (incompatible), redstone_experiments, toomanypaintings, trade_rebalance, vanilla Enabled Feature Flags: minecraft:vanilla World Generation: Stable World Seed: -7417157268905316998 Suppressed Exceptions: ~~NONE~~ Is Modded: Definitely; Server brand changed to 'fabric' Type: Dedicated Server (map_server.txt)