Minecraft Forums

I'm not new to this whole modding thing, but there is an error that comes up when I try to launch my mod. I can usually fix the problem, but this time I can't seem to find out what it is. I am assuming it is an outdated mod that I installed, but I don't know which one. Can someone help me figure this out? Here's the error:





---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 2/28/15 2:10 PM
Description: Initializing game

java.lang.NoClassDefFoundError: cpw/mods/fml/common/ITickHandler
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:344)
at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:59)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:492)
at sun.reflect.GeneratedMethodAccessor4.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:208)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
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:118)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:492)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:204)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:867)
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.ClassNotFoundException: cpw.mods.fml.common.ITickHandler
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)
... 35 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 37 more


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

-- Head --
Stacktrace:
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:344)
at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:59)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:492)
at sun.reflect.GeneratedMethodAccessor4.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:208)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
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:118)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:492)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:204)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:867)
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)

-- 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: 86646152 bytes (82 MB) / 336547840 bytes (320 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 v7.10.85.1291 Minecraft Forge 10.13.2.1291 74 mods loaded, 74 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
FML{7.10.85.1291} [Forge Mod Loader] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed
Forge{10.13.2.1291} [Minecraft Forge] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed
AM2-Preloader{0.0.2} [AMCore] (minecraft.jar) Unloaded->Constructed
appliedenergistics2-core{rv1-stable-1} [AppliedEnergistics2 Core] (minecraft.jar) Unloaded->Constructed
CodeChickenCore{1.0.4.29} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed
<CoFH ASM>{000} [CoFH ASM Data Initialization] (minecraft.jar) Unloaded->Constructed
gasesCore{1.5.2} [Glenn's Gases Core] (minecraft.jar) Unloaded->Constructed
gasesFrameworkCore{1.0.6} [Gases Framework Core] (minecraft.jar) Unloaded->Constructed
ImmibisMicroblocks{59.0.5} [Immibis's Microblocks] (immibis-microblocks-59.0.5.jar) Unloaded->Constructed
NotEnoughItems{1.0.4.90} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.4.90-universal.jar) Unloaded->Constructed
AnimationAPI{1.2.4} [AnimationAPI] (AnimationAPI-1.7.10-1.2.4.jar) Unloaded->Constructed
arsmagica2{1.4.0.008} [Ars Magica 2] (1.7.10_AM2-1.4.0.008.jar) Unloaded->Constructed
IC2{2.2.685-experimental} [IndustrialCraft 2] (industrialcraft-2-2.2.685-experimental.jar) Unloaded->Constructed
ImmibisCore{59.0.7} [Immibis Core] (immibis-core-59.0.7.jar) Unloaded->Constructed
AdvancedMachines{59.0.2} [Advanced Machines] (advanced-machines-59.0.2.jar) Unloaded->Constructed
AdvancedPowerManagement{1.1.55-IC2_1.112} [Advanced Power Management] (AdvancedPowerManagement-1.1.55-IC2_1.112.jar) Unloaded->Errored
AdvancedSolarPanel{1.7.10-3.5.1} [Advanced Solar Panels] (AdvancedSolarPanel-1.7.10-3.5.1.jar) Unloaded->Constructed
animalsPlus{1.2} [Animals+] (animalsPlus-1.2.jar) Unloaded->Constructed
appliedenergistics2{rv1-stable-1} [Applied Energistics 2] (appliedenergistics2-rv1-stable-1.jar) Unloaded->Constructed
Aquaculture{1.2.3} [Aquaculture] (Aquaculture-1.7.10-1.2.5.14.jar) Unloaded->Constructed
Backpack{2.0.1} [Backpack] (backpack-2.0.1-1.7.x.jar) Unloaded->Constructed
CoFHCore{1.7.10R3.0.0RC2} [CoFH Core] (CoFHCore-[1.7.10]3.0.0RC2-195.jar) Unloaded->Constructed
BuildCraft|Core{6.4.1} [BuildCraft] (buildcraft-6.4.1.jar) Unloaded->Constructed
BuildCraft|Transport{6.4.1} [BC Transport] (buildcraft-6.4.1.jar) Unloaded->Constructed
BuildCraft|Silicon{6.4.1} [BC Silicon] (buildcraft-6.4.1.jar) Unloaded->Constructed
BuildCraft|Builders{6.4.1} [BC Builders] (buildcraft-6.4.1.jar) Unloaded->Constructed
BuildCraft|Energy{6.4.1} [BC Energy] (buildcraft-6.4.1.jar) Unloaded->Constructed
BuildCraft|Factory{6.4.1} [BC Factory] (buildcraft-6.4.1.jar) Unloaded->Constructed
chocolateQuest{1.0} [Chocolate Quest] (chocolateQuest-1.7.10-1.0.jar) Unloaded->Constructed
Forestry{3.4.0.7} [Forestry for Minecraft] (forestry_1.7.10-3.4.0.7.jar) Unloaded->Constructed
ganysend{1.8.7} [Gany's End] (Ganys End-1.8.7.jar) Unloaded->Constructed
gasesFramework{1.0.6} [Gases Framework] (gasesFramework-1.0.6-1.7.2.jar) Unloaded->Constructed
gases{1.5.2} [Glenn's Gases] (gases-1.5.2-1.7.2.jar) Unloaded->Constructed
GraviSuite{1.7.2-1.9.9c} [Graviation Suite] (GraviSuite-1.7.2-1.9.9c.jar) Unloaded->Constructed
IC2NuclearControl{2.1.0a} [Nuclear Control 2] (IC2NuclearControl-2.1.0a.jar) Unloaded->Constructed
IronChest{6.0.62.742} [Iron Chest] (Iron-Chests-Mod-1.7.10.jar) Unloaded->Constructed
Mantle{1.7.10-0.3.2.jenkins184} [Mantle] (Mantle-1.7.10-0.3.2.jar) Unloaded->Constructed
MineFactoryReloaded{1.7.10R2.8.0RC7} [MineFactory Reloaded] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatAppliedEnergistics{1.7.10R2.8.0RC7} [MFR Compat: Applied Energistics] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatAtum{1.7.10R2.8.0RC7} [MFR Compat: Atum] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatBackTools{1.7.10R2.8.0RC7} [MFR Compat: BackTools] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatBuildCraft{1.7.10R2.8.0RC7} [MFR Compat: BuildCraft] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatChococraft{1.7.10R2.8.0RC7} [MFR Compat: Chococraft] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatExtraBiomes{1.7.10R2.8.0RC7} [MFR Compat: ExtraBiomes] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatForestry{1.7.10R2.8.0RC7} [MFR Compat: Forestry] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatForgeMicroblock{1.7.10R2.8.0RC7} [MFR Compat: ForgeMicroblock] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatIC2{1.7.10R2.8.0RC7} [MFR Compat: IC2] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatMystcraft{1.7.10R2.8.0RC7} [MFR Compat: Mystcraft] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatProjRed{1.7.10R2.8.0RC7} [MFR Compat ProjectRed] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
Railcraft{9.5.0.0} [Railcraft] (Railcraft_1.7.10-9.5.0.0.jar) Unloaded->Constructed
MineFactoryReloaded|CompatRailcraft{1.7.10R2.8.0RC7} [MFR Compat: Railcraft] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatRP2{1.7.10R2.8.0RC7} [MFR Compat: RP2] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatSufficientBiomes{1.7.10R2.8.0RC7} [MFR Compat: Sufficient Biomes] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatThaumcraft{1.7.10R2.8.0RC7} [MFR Compat: Thaumcraft] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
ThermalFoundation{1.7.10R1.0.0RC3} [Thermal Foundation] (ThermalFoundation-[1.7.10]1.0.0RC3-56.jar) Unloaded->Constructed
ThermalExpansion{1.7.10R4.0.0RC2} [Thermal Expansion] (ThermalExpansion-[1.7.10]4.0.0RC2-129.jar) Unloaded->Constructed
MineFactoryReloaded|CompatThermalExpansion{1.7.10R2.8.0RC7} [MFR Compat: Thermal Expansion] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
Waila{1.5.8} [Waila] (Waila-1.5.9_1.7.10.jar) Unloaded->Constructed
TConstruct{1.7.10-1.8.2.build858} [Tinkers' Construct] (TConstruct-1.7.10-1.8.2a.jar) Unloaded->Constructed
MineFactoryReloaded|CompatTConstruct{1.7.10R2.8.0RC7} [MFR Compat: Tinkers' Construct] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatTwilightForest{1.7.10R2.8.0RC7} [MFR Compat: TwilightForest] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MineFactoryReloaded|CompatVanilla{1.7.10R2.8.0RC7} [MFR Compat: Vanilla] (MineFactoryReloaded-[1.7.10]2.8.0RC7-71.jar) Unloaded->Constructed
MoarFood{V5.8.0} [MoarFood] (MoarFood-5.8.0.jar) Unloaded->Constructed
numina{0.4.0.87} [Numina] (Numina-0.4.0.87.jar) Unloaded->Constructed
powersuits{0.10.0-91} [MachineMuse's Modular Powersuits] (ModularPowersuits-1.6.4-0.10.0-91.jar) Unloaded
cfm{3.4.7} [§9MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.4.7(1.7.10).jar) Unloaded
NetherOres{1.7.10R2.3.0RC4} [Nether Ores] (NetherOres-[1.7.10]2.3.0RC4-4.jar) Unloaded
Oceancraft{1.3.1} [Oceancraft] (Oceancraft-1.3.1.jar) Unloaded
RedLogic{59.1.9} [RedLogic] (redlogic-59.1.9.jar) Unloaded
RedstoneArsenal{1.7.10R1.1.0RC2} [Redstone Arsenal] (RedstoneArsenal-[1.7.10]1.1.0RC2-43.jar) Unloaded
stillhungry{1.7.2-2.1.0} [Still Hungry!] (stillhungry-1.7.2-2.1.1.jar) Unloaded
ThermalDynamics{1.7.10R1.0.0RC2} [Thermal Dynamics] (ThermalDynamics-[1.7.10]1.0.0RC2-77.jar) Unloaded
wawla{1.1.0} [What Are We Looking At] (Wawla-1.1.0_1.7.10.jar) Unloaded
AE2 Version: stable rv1-stable-1 for Forge 10.13.0.1187
CoFHCore: -[1.7.10]3.0.0RC2-195
Mantle Environment: Environment healthy.
MineFactoryReloaded: -[1.7.10]2.8.0RC7-71
ThermalFoundation: -[1.7.10]1.0.0RC3-56
ThermalExpansion: -[1.7.10]4.0.0RC2-129
TConstruct Environment: Environment healthy.
Launched Version: 1.7.10-Forge10.13.2.1291
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics GL version 2.1.0 - Build 8.15.10.2622, Intel
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)

AdvancedPowerManagement{1.1.55-IC2_1.112} [Advanced Power Management] (AdvancedPowerManagement-1.1.55-IC2_1.112.jar) Unloaded->Errored



It's this mod that is causing the trouble.