Minecraft Forums

Hey guys, I need some help. I went to load minecraft but it crashed so I read the crash report and removed the crashing mods but can you guys help me figure out what went wrong and how to fix it?

Here's the crash report:

---- Minecraft Crash Report ----
// I feel sad now

Time: 12/1/15 3:06 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: thehippomaster/MutantCreatures/MutantSkeleton
at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:559)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:243)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.NoClassDefFoundError: thehippomaster/MutantCreatures/MutantSkeleton
at thehippomaster.MutantCreatures.item.ChemicalX.<clinit>(ChemicalX.java:83)
at thehippomaster.MutantCreatures.MutantCreatures.preInit(MutantCreatures.java:91)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:556)
... 10 more
Caused by: java.lang.ClassNotFoundException: thehippomaster.MutantCreatures.MutantSkeleton
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 38 more
Caused by: java.lang.NoClassDefFoundError: thehippomaster/AnimationAPI/IAnimatedEntity
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 40 more
Caused by: java.lang.ClassNotFoundException: thehippomaster.AnimationAPI.IAnimatedEntity
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:101)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 44 more

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 143364840 bytes (136 MB) / 365445120 bytes (348 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1517 26 mods loaded, 26 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCH mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCH FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1517-1.7.10.jar)
UCH Forge{10.13.4.1517} [Minecraft Forge] (forge-1.7.10-10.13.4.1517-1.7.10.jar)
UCH CodeChickenCore{1.0.4.29} [CodeChicken Core] (minecraft.jar)
UCH NotEnoughItems{1.0.3.74} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.3.74-universal.jar)
UCH VeinMiner_coremod{0.21.2_build-43} [Core mod] (minecraft.jar)
UCH animatedplayer{1.5.1} [Animated Player Mod] (AnimatedPlayer-1.7.10-1.5.1.jar)
UCH Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar)
UCH chancecubes{1.7.10-1.4.4.43} [Chance Cubes] (ChanceCubes-1.7.10-1.4.4.43.jar)
UCH CustomSpawner{3.3.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3.3.0.zip)
UCH customnpcs{1.7.10d} [CustomNpcs] (CustomNPCs_1.7.10d.jar)
UCH DamageIndicatorsMod{3.2.0} [Damage Indicators] (Damage-Indicators-Mod-1.7.10.jar)
UCH iChunUtil{4.0.0} [iChunUtil] (iChunUtil-4.0.0.jar)
UCH more{1.0} [more] (M-Ore 1.7.2.jar)
UCH Mantle{1.7.10-0.3.2.jenkins184} [Mantle] (Mantle-1.7.10-0.3.2.jar)
UCH RadixCore{2.1.1} [RadixCore] (RadixCore-1.7.10-2.1.1-universal.jar)
UCH MCA{1.7.10-5.1.1.0} [Minecraft Comes Alive] (MCA-1.7.10-5.1.1.0-universal.jar)
UCH Morph{0.9.2} [Morph] (Morph-Beta-0.9.2.jar)
UCE MutantCreatures{1.4.9} [Mutant Creatures] (MutantCreatures-1.7.10-1.4.9.jar)
UCH OreSpawn{1.7.10.20.3} [OreSpawn] (orespawn-1.7.10-20.3.zip)
UCH HeroSuits{1.2} [Project Superhuman] (ProjectSuperhuman - v1.2 - 1.7.10.jar)
UCH ReiMinimap{1.7.10} [Rei's Minimap] (Reis-Minimap-Mod-1.7.10.jar)
UCH TConstruct{1.7.10-1.8.8.build988} [Tinkers' Construct] (TConstruct-1.7.10-1.8.8.jar)
UCH TwilightForest{2.3.7} [The Twilight Forest] (twilightforest-1.7.10-2.3.7.jar)
UCH VeinMiner{0.21.2} [Vein Miner] (VeinMiner-1.7.10_0.21.2.43.jar)
UCH VeinMinerModSupport{0.21.2} [Mod Support] (VeinMiner-1.7.10_0.21.2.43.jar)
GL info: ' Vendor: 'Intel' Version: '4.0.0 - Build 9.17.10.2867' Renderer: 'Intel(R) HD Graphics 4000'
Mantle Environment: Environment healthy.
TConstruct Environment: Environment healthy.

Looks like mutant creatures is the problem.

Oh, okay. Thanks for the help.