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[Issue] FATAL ERROR on 1.18.2 #121

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[Issue] FATAL ERROR on 1.18.2#121
@ndjsab124

Description

@ndjsab124
ndjsab124
opened on Feb 10, 2026

Describe the bug

[07:38:41 ERROR]: Fatal error trying to convert AdvancedMobs v1.18.12:net/advancedplugins/mobs/utils/EntityNameMatcher.class
java.lang.IllegalArgumentException: Unsupported class file major version 65
at org.objectweb.asm.ClassReader.(ClassReader.java:199) ~[asm-9.2.jar:9.2]
at org.objectweb.asm.ClassReader.(ClassReader.java:180) ~[asm-9.2.jar:9.2]
at org.objectweb.asm.ClassReader.(ClassReader.java:166) ~[asm-9.2.jar:9.2]
at org.bukkit.craftbukkit.v1_18_R2.util.Commodore.convert(Commodore.java:171) ~[paper-1.18.2.jar:git-Paper-388]
at org.bukkit.craftbukkit.v1_18_R2.util.CraftMagicNumbers.processClass(CraftMagicNumbers.java:398) ~[paper-1.18.2.jar:git-Paper-388]
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:174) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:593) ~[?:?]
at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:108) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:103) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?]
at net.advancedplugins.mobs.handlers.entities.AdvancedEntity.(AdvancedEntity.java:22) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.utils.commands.SubCommand.parseArgument(SubCommand.java:129) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.utils.commands.SubCommand.parseArgument(SubCommand.java:115) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.handlers.commands.sub.SpawnMobSub.onExecute(SpawnMobSub.java:23) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.utils.commands.Command.middleMan(Command.java:28) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.utils.commands.CommandBase.onCommand(CommandBase.java:130) ~[AdvancedMobs-1.18.12.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_18_R2.CraftServer.dispatchCommand(CraftServer.java:906) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleCommand(ServerGamePacketListenerImpl.java:2307) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleChat(ServerGamePacketListenerImpl.java:2118) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleChat(ServerGamePacketListenerImpl.java:2099) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundChatPacket.handle(ServerboundChatPacket.java:46) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundChatPacket.a(ServerboundChatPacket.java:6) ~[?:?]
at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$1(PacketUtils.java:51) ~[?:?]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1400) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:188) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1377) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1370) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?]
at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1348) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1230) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:316) ~[paper-1.18.2.jar:git-Paper-388]
at java.lang.Thread.run(Thread.java:1583) ~[?:?]
[07:38:47 INFO]: xGL0RY issued server command: /am mob bear
[07:38:47 WARN]: [ModelEngine] [S] Unable to create ActiveModel instance: Invalid model ID bear
[07:38:47 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'am' in plugin AdvancedMobs v1.18.12
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_18_R2.CraftServer.dispatchCommand(CraftServer.java:906) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleCommand(ServerGamePacketListenerImpl.java:2307) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleChat(ServerGamePacketListenerImpl.java:2118) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleChat(ServerGamePacketListenerImpl.java:2099) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundChatPacket.handle(ServerboundChatPacket.java:46) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundChatPacket.a(ServerboundChatPacket.java:6) ~[?:?]
at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$1(PacketUtils.java:51) ~[?:?]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1400) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:188) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1377) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1370) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?]
at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1348) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1230) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:316) ~[paper-1.18.2.jar:git-Paper-388]
at java.lang.Thread.run(Thread.java:1583) ~[?:?]
Caused by: java.lang.NoSuchMethodError: 'com.ticxo.modelengine.api.animation.handler.AnimationHandler com.ticxo.modelengine.api.model.ActiveModel.getAnimationHandler()'
at net.advancedplugins.mobs.impl.customMobs.entityInstance.ModelEngineEntityInstance.tryRemovingModel(ModelEngineEntityInstance.java:62) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.customMobs.entityInstance.ModelEngineEntityInstance.kill(ModelEngineEntityInstance.java:56) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.customMobs.entityInstance.ModelEngineEntityInstance.spawn(ModelEngineEntityInstance.java:35) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.customMobs.CustomEntityHandler.spawnEntity(CustomEntityHandler.java:352) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.customMobs.CustomEntityHandler.spawnEntity(CustomEntityHandler.java:327) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.customMobs.CustomEntityHandler.spawnEntity(CustomEntityHandler.java:342) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.handlers.commands.sub.SpawnMobSub.onExecute(SpawnMobSub.java:31) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.utils.commands.Command.middleMan(Command.java:28) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.utils.commands.CommandBase.onCommand(CommandBase.java:130) ~[AdvancedMobs-1.18.12.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
... 21 more
[07:38:47 WARN]: [AdvancedMobs] Task #1496 for AdvancedMobs v1.18.12 generated an exception
java.lang.NoSuchMethodError: 'com.ticxo.modelengine.api.animation.handler.AnimationHandler com.ticxo.modelengine.api.model.ActiveModel.getAnimationHandler()'
at net.advancedplugins.mobs.impl.customMobs.entityInstance.ModelEngineEntityInstance.tryRemovingModel(ModelEngineEntityInstance.java:62) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.customMobs.entityInstance.ModelEngineEntityInstance.kill(ModelEngineEntityInstance.java:56) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.customMobs.entityInstance.CustomEntityInstance.move(CustomEntityInstance.java:76) ~[AdvancedMobs-1.18.12.jar:?]
at net.advancedplugins.mobs.impl.customMobs.entityInstance.CustomEntityInstance.lambda$spawn$1(CustomEntityInstance.java:296) ~[AdvancedMobs-1.18.12.jar:?]
at org.bukkit.craftbukkit.v1_18_R2.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.18.2.jar:git-Paper-388]
at org.bukkit.craftbukkit.v1_18_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1532) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:483) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1456) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1226) ~[paper-1.18.2.jar:git-Paper-388]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:316) ~[paper-1.18.2.jar:git-Paper-388]
at java.lang.Thread.run(Thread.java:1583) ~[?:?]

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