Minecraft Forums

my daughter is following a youtuber and trying to mimic what the youtuber is doing. the youtuber is using a lot of mods and it crashes. i don't know how to help her so could you take a look and assist on how to resolve this error?

thanks!

======

---- Minecraft Crash Report -------- Minecraft Crash Report ----// This doesn't make any sense!
Time: 12/27/17 6:13 PMDescription: There was a severe problem during mod loading that has caused the game to fail
cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraftforge/fml/common/network/IGuiHandler at cpw.mods.fml.common.LoadController.transition(LoadController.java:163) at cpw.mods.fml.common.Loader.loadMods(Loader.java:544) at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:208) 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: net/minecraftforge/fml/common/network/IGuiHandler at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:344) at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:440) at sun.reflect.GeneratedMethodAccessor3.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.loadMods(Loader.java:513) ... 10 moreCaused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.common.network.IGuiHandler 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) ... 34 moreCaused by: java.lang.NullPointerException at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ... 36 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 10 (amd64) version 10.0 Java Version: 1.8.0_25, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 118261024 bytes (112 MB) / 329170944 bytes (313 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 10.13.4.1558 67 mods loaded, 54 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored UC mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) UC FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10.jar) UC Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10.jar) UC OldModelLoader{1.0} [OldModelLoader] (minecraft.jar) UC PotionExtensionCore{1.7.10-1.1.0} [PotionExtensionCore] (minecraft.jar) UC <CoFH ASM>{000} [CoFH ASM] (minecraft.jar) UC bspkrsCore{6.16} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.16.jar) UC AgriCraft{1.7.10-1.5.0} [AgriCraft] (AgriCraft-1.7.10-1.5.0.jar) UC Aquaculture{1.2.6} [Aquaculture] (Aquaculture-1.7.10-1.2.6.21.jar) UC Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar) UC BiblioCraft{1.11.7} [BiblioCraft] (BiblioCraft[v1.11.7][MC1.7.10].jar) UC CoFHCore{1.7.10R3.1.4} [CoFH Core] (CoFHCore-[1.7.10]3.1.4-329.jar) UC BuildCraft|Core{7.1.22} [BuildCraft] (buildcraft-7.1.22.jar) UC BuildCraft|Transport{7.1.22} [BC Transport] (buildcraft-7.1.22.jar) UC BuildCraft|Factory{7.1.22} [BC Factory] (buildcraft-7.1.22.jar) UC BuildCraft|Silicon{7.1.22} [BC Silicon] (buildcraft-7.1.22.jar) UC BuildCraft|Robotics{7.1.22} [BC Robotics] (buildcraft-7.1.22.jar) UC BuildCraft|Energy{7.1.22} [BC Energy] (buildcraft-7.1.22.jar) UC BuildCraft|Builders{7.1.22} [BC Builders] (buildcraft-7.1.22.jar) UC butterflymania{1.3.2} [Butterfly Mania] (butterflymania-1.7.10-1.3.2.jar) UC TwilightForest{2.3.7} [The Twilight Forest] (twilightforest-1.7.10-2.3.7.jar) UC chisel{2.9.5.11} [Chisel] (Chisel-2.9.5.11.jar) UC CarpentersBlocks{3.3.8.1} [Carpenter's Blocks] (Carpenter's Blocks v3.3.8.1 - MC 1.7.10.jar) UC CustomSpawner{3.3.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3.3.0.zip) UC davincing{1710.1.8} [DaVincing] (DaVincing-1710.1.8.jar) UE props{2.0.2} [Decocraft] (Decocraft-2.0.2_1.7.10.jar) UC DescriptionTags{1.0} [Description Tags] (DescriptionTags-1.0-1.7.10.jar) UC doggytalents{1.14.2.308} [Doggy Talents] (DoggyTalents-1.7.10-1.14.2.308-universal.jar) UC MoCreatures{6.3.1} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6.3.1.zip) UC FluidityDC{1.7.10_1.6a} [FluidityFoodstuffs] (FluidityFoodstuffs-1.7.10_1.6a.jar) UC GardenContainers{1.7.10-1.7.0} [Garden Containers] (GardenStuff-1.7.10-1.7.0.jar) UC GardenCore{1.7.10-1.7.0} [Garden Core] (GardenStuff-1.7.10-1.7.0.jar) UC GardenStuff{1.7.10-1.7.0} [Garden Stuff] (GardenStuff-1.7.10-1.7.0.jar) UC GardenTrees{1.7.10-1.7.0} [Garden Trees] (GardenStuff-1.7.10-1.7.0.jar) UC globbypotato_rockhounding{4.14} [Rockhounding Mod] (globbypotato_rockhounding_1.7.10-4.14.jar) UC lmmx{1.0} [lmmx] (littleMaidMobX-1.7.x_0.1.3a.jar) UC MMMLibX{1.7.x-srg-1} [MMMLibX] (littleMaidMobX-1.7.x_0.1.3a.jar) UC zabuton{1.0} [zabuton] (littleMaidMobX-1.7.x_0.1.3a.jar) UC minechem{5.0.5.406} [Minechem] (Minechem-1.7.10-5.0.5.406.jar) UC MineFactoryReloaded{1.7.10R2.8.1} [MineFactory Reloaded] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UC MineFactoryReloaded|CompatBuildCraft{1.7.10R2.8.1} [MFR Compat: BuildCraft] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UC MineFactoryReloaded|CompatForgeMicroblock{1.7.10R2.8.1} [MFR Compat: ForgeMicroblock] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UC MineFactoryReloaded|CompatTwilightForest{1.7.10R2.8.1} [MFR Compat: TwilightForest] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UC MineFactoryReloaded|CompatVanilla{1.7.10R2.8.1} [MFR Compat: Vanilla] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UC Oceancraft{1.4.1} [Oceancraft] (OceanCraft-Mod-1.7.10.jar) UC Paleocraft{1.7.10 Cambrian 1.5} [Paleocraft] (Paleocraft Cambrian 1.5.jar) UC harvestcraft{1.7.10g} [Pam's HarvestCraft] (Pam's HarvestCraft 1.7.10h.jar) UC primitivemobs{1.0} [Primitive Mobs] (primitivemobs-1.0c-1.7.10.jar) UC rancraftpenguins{1.7.10q} [Rancraft Penguins] (rancraftpenguins-1.7.10q.jar) UC ReiMinimap{1.7.10} [Rei's Minimap] (Reis-Minimap-Mod-1.7.10.jar) UC Squicken{1.0.0} [Squicken] (Squicken-1.7-1.0.0.jar) UC Treecapitator{1.7.10} [Treecapitator] (Tree-Capitator-Mod-1.7.10.jar) UC wallpaper{0.9} [Wallpaper] (wallpaper-0.9-1.7.10.jar) UC wildcaves3{1.7.10} [Wild Caves 3] (Wild-Caves-Mod-1.7.10.jar) UD MineFactoryReloaded|CompatAppliedEnergistics{1.7.10R2.8.1} [MFR Compat: Applied Energistics] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatAtum{1.7.10R2.8.1} [MFR Compat: Atum] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatBackTools{1.7.10R2.8.1} [MFR Compat: BackTools] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatChococraft{1.7.10R2.8.1} [MFR Compat: Chococraft] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatExtraBiomes{1.7.10R2.8.1} [MFR Compat: ExtraBiomes] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatForestry{1.7.10R2.8.1} [MFR Compat: Forestry] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatIC2{1.7.10R2.8.1} [MFR Compat: IC2] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatProjRed{1.7.10R2.8.1} [MFR Compat ProjectRed] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatRailcraft{1.7.10R2.8.1} [MFR Compat: Railcraft] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatSufficientBiomes{1.7.10R2.8.1} [MFR Compat: Sufficient Biomes] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatThaumcraft{1.7.10R2.8.1} [MFR Compat: Thaumcraft] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatThermalExpansion{1.7.10R2.8.1} [MFR Compat: Thermal Expansion] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) UD MineFactoryReloaded|CompatTConstruct{1.7.10R2.8.1} [MFR Compat: Tinkers' Construct] (MineFactoryReloaded-[1.7.10]2.8.1-174.jar) GL info: ' Vendor: 'Intel' Version: '4.5.0 - Build 22.20.16.4771' Renderer: 'Intel(R) HD Graphics 530' CoFHCore: -[1.7.10]3.1.4-329 MineFactoryReloaded: -[1.7.10]2.8.1-174

=================

fixed...