Problem after switching to 1.17.1 (due to the need for MCPets and it also does not work) Stopped loading Model engine, MythicMobs

[CatCosYT]

Problem after switching to 1.17.1 (due to the need for MCPets and it also does not work) Stopped loading Model engine, MythicMobs
[17:48:25] [Server thread/WARN]: Caused by: java.lang.NullPointerException: Cannot invoke "io.lumine.mythic.api.volatilecode.handlers.VolatileItemHandler.getNBTData(org.bukkit.inventory.ItemStack)" because the return value of "io.lumine.mythic.api.volatilecode.VolatileCodeHandler.getItemHandler()" is null
[17:48:25] [Server thread/WARN]:        at io.lumine.mythic.core.mobs.EggManager.giveMythicEgg(EggManager.java:34)
[17:48:25] [Server thread/WARN]:        at io.lumine.mythic.bukkit.commands.eggs.GetCommand.onCommand(GetCommand.java:45)
[17:48:25] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.commands.Command.onCommand(Command.java:64)
[17:48:25] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.commands.Command.onCommand(Command.java:55)
[17:48:25] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.commands.Command.onCommand(Command.java:55)
[17:48:25] [Server thread/WARN]:        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
[17:48:25] [Server thread/WARN]:        ... 34 more
[17:48:46] [Server thread/INFO]: CatCosYouT issued server command: /mm menu
[17:48:49] [Server thread/WARN]: org.bukkit.command.CommandException: Unhandled exception executing command 'mythicmobs' in plugin MythicMobs v5.4.1-${CI_COMMIT_SHORT_SHA}
[17:48:49] [Server thread/WARN]:        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47)
[17:48:49] [Server thread/WARN]:        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149)
[17:48:49] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.CraftServer.dispatchCommand(CraftServer.java:790)
[17:48:49] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.entity.CraftPlayer.performCommand(CraftPlayer.java:364)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.core.mobs.MobType.lambda$getIcon$9(MobType.java:1596)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper$OpenMenu.lambda$handleClick$2(MenuHelper.java:354)
[17:48:49] [Server thread/WARN]:        at java.base/java.util.Optional.ifPresent(Optional.java:178)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper$OpenMenu.lambda$handleClick$3(MenuHelper.java:354)
[17:48:49] [Server thread/WARN]:        at java.base/java.util.Optional.ifPresent(Optional.java:178)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper$OpenMenu.handleClick(MenuHelper.java:354)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper$OpenMenu.handleClick(MenuHelper.java:342)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper.onClick(MenuHelper.java:141)
[17:48:49] [Server thread/WARN]:        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[17:48:49] [Server thread/WARN]:        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
[17:48:49] [Server thread/WARN]:        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[17:48:49] [Server thread/WARN]:        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
[17:48:49] [Server thread/WARN]:        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306)
[17:48:49] [Server thread/WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:48:49] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:589)
[17:48:49] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:576)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.network.PlayerConnection.a(PlayerConnection.java:2427)
[17:48:49] [Server thread/WARN]:        at net.minecraft.network.protocol.game.PacketPlayInWindowClick.a(SourceFile:55)
[17:48:49] [Server thread/WARN]:        at net.minecraft.network.protocol.game.PacketPlayInWindowClick.a(SourceFile:11)
[17:48:49] [Server thread/WARN]:        at net.minecraft.network.protocol.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:30)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.TickTask.run(SourceFile:18)
[17:48:49] [Server thread/WARN]:        at net.minecraft.util.thread.IAsyncTaskHandler.executeTask(SourceFile:151)
[17:48:49] [Server thread/WARN]:        at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23)
[17:48:49] [Server thread/WARN]:        at net.minecraft.util.thread.IAsyncTaskHandler.executeNext(SourceFile:125)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.bf(MinecraftServer.java:1148)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.executeNext(MinecraftServer.java:1141)
[17:48:49] [Server thread/WARN]:        at net.minecraft.util.thread.IAsyncTaskHandler.awaitTasks(SourceFile:134)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.sleepForTick(MinecraftServer.java:1125)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1054)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:305)
[17:48:49] [Server thread/WARN]:        at java.base/java.lang.Thread.run(Thread.java:831)
[17:48:49] [Server thread/WARN]: Caused by: java.lang.NullPointerException: Cannot invoke "io.lumine.mythic.api.volatilecode.handlers.VolatileItemHandler.getNBTData(org.bukkit.inventory.ItemStack)" because the return value of "io.lumine.mythic.api.volatilecode.VolatileCodeHandler.getItemHandler()" is null
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.core.mobs.EggManager.giveMythicEgg(EggManager.java:34)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.commands.eggs.GetCommand.onCommand(GetCommand.java:45)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.commands.Command.onCommand(Command.java:64)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.commands.Command.onCommand(Command.java:55)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.commands.Command.onCommand(Command.java:55)
[17:48:49] [Server thread/WARN]:        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
[17:48:49] [Server thread/WARN]:        ... 34 more
[17:48:49] [Server thread/WARN]: org.bukkit.command.CommandException: Unhandled exception executing command 'mythicmobs' in plugin MythicMobs v5.4.1-${CI_COMMIT_SHORT_SHA}
[17:48:49] [Server thread/WARN]:        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47)
[17:48:49] [Server thread/WARN]:        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149)
[17:48:49] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.CraftServer.dispatchCommand(CraftServer.java:790)
[17:48:49] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.entity.CraftPlayer.performCommand(CraftPlayer.java:364)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.core.mobs.MobType.lambda$getIcon$9(MobType.java:1596)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper$OpenMenu.lambda$handleClick$2(MenuHelper.java:354)
[17:48:49] [Server thread/WARN]:        at java.base/java.util.Optional.ifPresent(Optional.java:178)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper$OpenMenu.lambda$handleClick$3(MenuHelper.java:354)
[17:48:49] [Server thread/WARN]:        at java.base/java.util.Optional.ifPresent(Optional.java:178)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper$OpenMenu.handleClick(MenuHelper.java:354)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper$OpenMenu.handleClick(MenuHelper.java:342)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.menu.MenuHelper.onClick(MenuHelper.java:141)
[17:48:49] [Server thread/WARN]:        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[17:48:49] [Server thread/WARN]:        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
[17:48:49] [Server thread/WARN]:        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[17:48:49] [Server thread/WARN]:        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
[17:48:49] [Server thread/WARN]:        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306)
[17:48:49] [Server thread/WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:48:49] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:589)
[17:48:49] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:576)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.network.PlayerConnection.a(PlayerConnection.java:2427)
[17:48:49] [Server thread/WARN]:        at net.minecraft.network.protocol.game.PacketPlayInWindowClick.a(SourceFile:55)
[17:48:49] [Server thread/WARN]:        at net.minecraft.network.protocol.game.PacketPlayInWindowClick.a(SourceFile:11)
[17:48:49] [Server thread/WARN]:        at net.minecraft.network.protocol.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:30)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.TickTask.run(SourceFile:18)
[17:48:49] [Server thread/WARN]:        at net.minecraft.util.thread.IAsyncTaskHandler.executeTask(SourceFile:151)
[17:48:49] [Server thread/WARN]:        at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23)
[17:48:49] [Server thread/WARN]:        at net.minecraft.util.thread.IAsyncTaskHandler.executeNext(SourceFile:125)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.bf(MinecraftServer.java:1148)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.executeNext(MinecraftServer.java:1141)
[17:48:49] [Server thread/WARN]:        at net.minecraft.util.thread.IAsyncTaskHandler.awaitTasks(SourceFile:134)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.sleepForTick(MinecraftServer.java:1125)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1054)
[17:48:49] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:305)
[17:48:49] [Server thread/WARN]:        at java.base/java.lang.Thread.run(Thread.java:831)
[17:48:49] [Server thread/WARN]: Caused by: java.lang.NullPointerException: Cannot invoke "io.lumine.mythic.api.volatilecode.handlers.VolatileItemHandler.getNBTData(org.bukkit.inventory.ItemStack)" because the return value of "io.lumine.mythic.api.volatilecode.VolatileCodeHandler.getItemHandler()" is null
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.core.mobs.EggManager.giveMythicEgg(EggManager.java:34)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.commands.eggs.GetCommand.onCommand(GetCommand.java:45)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.commands.Command.onCommand(Command.java:64)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.commands.Command.onCommand(Command.java:55)
[17:48:49] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.commands.Command.onCommand(Command.java:55)
[17:48:49] [Server thread/WARN]:        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
[17:48:49] [Server thread/WARN]:        ... 34 more
[17:49:49] [Server thread/INFO]: CatCosYouT issued server command: /pl
[17:50:10] [Server thread/ERROR]: [MythicMobs] [EVENTS] Exception thrown whilst handling event: org.bukkit.event.entity.CreatureSpawnEvent
[17:50:10] [Server thread/WARN]: java.lang.NullPointerException: Cannot invoke "io.lumine.mythic.api.volatilecode.handlers.VolatileSpawningHandler.getSpawnState(io.lumine.mythic.api.adapters.AbstractWorld)" because the return value of "io.lumine.mythic.api.volatilecode.VolatileCodeHandler.getSpawningHandler()" is null
[17:50:10] [Server thread/WARN]:        at io.lumine.mythic.core.spawning.random.RandomSpawnerManager.getSpawnState(RandomSpawnerManager.java:270)
[17:50:10] [Server thread/WARN]:        at io.lumine.mythic.core.spawning.random.RandomSpawnerManager.handleSpawnEvent(RandomSpawnerManager.java:232)
[17:50:10] [Server thread/WARN]:        at io.lumine.mythic.bukkit.listeners.MobListeners.lambda$load$5(MobListeners.java:155)
[17:50:10] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.Delegates$ConsumerToBiConsumerSecond.accept(Delegates.java:144)
[17:50:10] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.events.functional.single.EventListener.execute(EventListener.java:131)
[17:50:10] [Server thread/WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:50:10] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:589)
[17:50:10] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:576)
[17:50:10] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.event.CraftEventFactory.callCreatureSpawnEvent(CraftEventFactory.java:676)
[17:50:10] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.event.CraftEventFactory.doEntityAddEventCalling(CraftEventFactory.java:595)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.level.WorldServer.addEntity0(WorldServer.java:969)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.level.WorldServer.addEntity(WorldServer.java:910)
[17:50:10] [Server thread/WARN]:        at net.minecraft.world.level.WorldAccess.lambda$0(WorldAccess.java:16)
[17:50:10] [Server thread/WARN]:        at java.base/java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:411)
[17:50:10] [Server thread/WARN]:        at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734)
[17:50:10] [Server thread/WARN]:        at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762)
[17:50:10] [Server thread/WARN]:        at net.minecraft.world.level.WorldAccess.addAllEntities(WorldAccess.java:16)
[17:50:10] [Server thread/WARN]:        at net.minecraft.world.level.SpawnerCreature.a(SpawnerCreature.java:252)
[17:50:10] [Server thread/WARN]:        at net.minecraft.world.level.SpawnerCreature.a(SpawnerCreature.java:182)
[17:50:10] [Server thread/WARN]:        at net.minecraft.world.level.SpawnerCreature.a(SpawnerCreature.java:170)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.level.ChunkProviderServer.lambda$10(ChunkProviderServer.java:435)
[17:50:10] [Server thread/WARN]:        at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.level.ChunkProviderServer.tickChunks(ChunkProviderServer.java:425)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.level.ChunkProviderServer.tick(ChunkProviderServer.java:393)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.level.WorldServer.doTick(WorldServer.java:446)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1314)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.dedicated.DedicatedServer.b(DedicatedServer.java:438)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1217)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1050)
[17:50:10] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:305)
[17:50:10] [Server thread/WARN]:        at java.base/java.lang.Thread.run(Thread.java:831)
[17:50:30] [Server thread/ERROR]: [MythicMobs] [EVENTS] Exception thrown whilst handling event: org.bukkit.event.entity.CreatureSpawnEvent
[17:50:30] [Server thread/WARN]: java.lang.NullPointerException: Cannot invoke "io.lumine.mythic.api.volatilecode.handlers.VolatileSpawningHandler.getSpawnState(io.lumine.mythic.api.adapters.AbstractWorld)" because the return value of "io.lumine.mythic.api.volatilecode.VolatileCodeHandler.getSpawningHandler()" is null
[17:50:30] [Server thread/WARN]:        at io.lumine.mythic.core.spawning.random.RandomSpawnerManager.getSpawnState(RandomSpawnerManager.java:270)
[17:50:30] [Server thread/WARN]:        at io.lumine.mythic.core.spawning.random.RandomSpawnerManager.handleSpawnEvent(RandomSpawnerManager.java:232)
[17:50:30] [Server thread/WARN]:        at io.lumine.mythic.bukkit.listeners.MobListeners.lambda$load$5(MobListeners.java:155)
[17:50:30] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.Delegates$ConsumerToBiConsumerSecond.accept(Delegates.java:144)
[17:50:30] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.events.functional.single.EventListener.execute(EventListener.java:131)
[17:50:30] [Server thread/WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:50:30] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:589)
[17:50:30] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:576)
[17:50:30] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.event.CraftEventFactory.callCreatureSpawnEvent(CraftEventFactory.java:676)
[17:50:30] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.event.CraftEventFactory.doEntityAddEventCalling(CraftEventFactory.java:595)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.level.WorldServer.addEntity0(WorldServer.java:969)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.level.WorldServer.addEntity(WorldServer.java:910)
[17:50:30] [Server thread/WARN]:        at net.minecraft.world.level.WorldAccess.lambda$0(WorldAccess.java:16)
[17:50:30] [Server thread/WARN]:        at java.base/java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:411)
[17:50:30] [Server thread/WARN]:        at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734)
[17:50:30] [Server thread/WARN]:        at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762)
[17:50:30] [Server thread/WARN]:        at net.minecraft.world.level.WorldAccess.addAllEntities(WorldAccess.java:16)
[17:50:30] [Server thread/WARN]:        at net.minecraft.world.level.SpawnerCreature.a(SpawnerCreature.java:252)
[17:50:30] [Server thread/WARN]:        at net.minecraft.world.level.SpawnerCreature.a(SpawnerCreature.java:182)
[17:50:30] [Server thread/WARN]:        at net.minecraft.world.level.SpawnerCreature.a(SpawnerCreature.java:170)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.level.ChunkProviderServer.lambda$10(ChunkProviderServer.java:435)
[17:50:30] [Server thread/WARN]:        at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.level.ChunkProviderServer.tickChunks(ChunkProviderServer.java:425)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.level.ChunkProviderServer.tick(ChunkProviderServer.java:393)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.level.WorldServer.doTick(WorldServer.java:446)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1314)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.dedicated.DedicatedServer.b(DedicatedServer.java:438)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1217)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1050)
[17:50:30] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:305)
[17:50:30] [Server thread/WARN]:        at java.base/java.lang.Thread.run(Thread.java:831)
[17:52:30] [Server thread/ERROR]: [MythicMobs] [EVENTS] Exception thrown whilst handling event: org.bukkit.event.entity.CreatureSpawnEvent
[17:52:30] [Server thread/WARN]: java.lang.NullPointerException: Cannot invoke "io.lumine.mythic.api.volatilecode.handlers.VolatileSpawningHandler.getSpawnState(io.lumine.mythic.api.adapters.AbstractWorld)" because the return value of "io.lumine.mythic.api.volatilecode.VolatileCodeHandler.getSpawningHandler()" is null
[17:52:30] [Server thread/WARN]:        at io.lumine.mythic.core.spawning.random.RandomSpawnerManager.getSpawnState(RandomSpawnerManager.java:270)
[17:52:30] [Server thread/WARN]:        at io.lumine.mythic.core.spawning.random.RandomSpawnerManager.handleSpawnEvent(RandomSpawnerManager.java:232)
[17:52:30] [Server thread/WARN]:        at io.lumine.mythic.bukkit.listeners.MobListeners.lambda$load$5(MobListeners.java:155)
[17:52:30] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.Delegates$ConsumerToBiConsumerSecond.accept(Delegates.java:144)
[17:52:30] [Server thread/WARN]:        at io.lumine.mythic.bukkit.utils.events.functional.single.EventListener.execute(EventListener.java:131)
[17:52:30] [Server thread/WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:52:30] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:589)
[17:52:30] [Server thread/WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:576)
[17:52:30] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.event.CraftEventFactory.callCreatureSpawnEvent(CraftEventFactory.java:676)
[17:52:30] [Server thread/WARN]:        at org.bukkit.craftbukkit.v1_17_R1.event.CraftEventFactory.doEntityAddEventCalling(CraftEventFactory.java:595)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.level.WorldServer.addEntity0(WorldServer.java:969)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.level.WorldServer.addEntity(WorldServer.java:910)
[17:52:30] [Server thread/WARN]:        at net.minecraft.world.level.WorldAccess.lambda$0(WorldAccess.java:16)
[17:52:30] [Server thread/WARN]:        at java.base/java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:411)
[17:52:30] [Server thread/WARN]:        at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734)
[17:52:30] [Server thread/WARN]:        at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762)
[17:52:30] [Server thread/WARN]:        at net.minecraft.world.level.WorldAccess.addAllEntities(WorldAccess.java:16)
[17:52:30] [Server thread/WARN]:        at net.minecraft.world.level.SpawnerCreature.a(SpawnerCreature.java:252)
[17:52:30] [Server thread/WARN]:        at net.minecraft.world.level.SpawnerCreature.a(SpawnerCreature.java:182)
[17:52:30] [Server thread/WARN]:        at net.minecraft.world.level.SpawnerCreature.a(SpawnerCreature.java:170)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.level.ChunkProviderServer.lambda$10(ChunkProviderServer.java:435)
[17:52:30] [Server thread/WARN]:        at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.level.ChunkProviderServer.tickChunks(ChunkProviderServer.java:425)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.level.ChunkProviderServer.tick(ChunkProviderServer.java:393)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.level.WorldServer.doTick(WorldServer.java:446)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1314)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.dedicated.DedicatedServer.b(DedicatedServer.java:438)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1217)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1050)
[17:52:30] [Server thread/WARN]:        at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:305)
[17:52:30] [Server thread/WARN]:        at java.base/java.lang.Thread.run(Thread.java:831)

Edited November 30, 2023 by CatCosYT