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Hello, my name is DrPengiun. I'm right now working on a modpack, and I loaded my modpack up. It is still in beta, hence there is a lot to work on. When I finished adding new mods, I got this message, "Forge: minmum version required is 10.13.4.1566" I went ahead and updated it to the lastest, but then it crashed. So, then I went to the minimun version required, and it crashed. Here is the crash report for 10.13.4.1566:

---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 8/28/17 1:14 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: net/minecraftforge/fml/common/event/FMLInitializationEvent
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:498)
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/event/FMLInitializationEvent
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.getDeclaredMethods(Class.java:1975)
at cpw.mods.fml.common.FMLModContainer.gatherAnnotations(FMLModContainer.java:317)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:505)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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:498)
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 more
Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.common.event.FMLInitializationEvent
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)
... 36 more
Caused by: java.lang.ArrayIndexOutOfBoundsException

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: Mac OS X (x86_64) version 10.12.6
Java Version: 1.8.0_74, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 103948288 bytes (99 MB) / 336486400 bytes (320 MB) up to 2134114304 bytes (2035 MB)
JVM Flags: 5 total; -Xmx2G -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 10.13.4.1566 42 mods loaded, 42 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-1.7.10-10.13.4.1566-1.7.10.jar)
UC Forge{10.13.4.1566} [Minecraft Forge] (forge-1.7.10-10.13.4.1566-1.7.10.jar)
UC CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar)
UC Micdoodlecore{} [Micdoodle8 Core] (minecraft.jar)
UC NotEnoughItems{1.0.5.120} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.120-universal.jar)
UC Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar)
UC BiblioCraft{1.11.5} [BiblioCraft] (BiblioCraft[v1.11.5][MC1.7.10].jar)
UC Mantle{1.7.10-0.3.2.jenkins191} [Mantle] (Mantle-1.7.10-0.3.2b.jar)
UC Natura{2.2.0} [Natura] (natura-1.7.10-2.2.0.1.jar)
UC BiomesOPlenty{2.1.0} [Biomes O' Plenty] (BiomesOPlenty-1.7.10-2.1.0.1889-universal.jar)
UC ChestTransporter{2.0.3} [Chest Transporter] (ChestTransporter-2.0.3-MC1.7.10.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 PTRModelLib{1.0.0} [PTRModelLib] (Decocraft-2.4.1_1.7.10.jar)
UC props{2.4.1} [Decocraft] (Decocraft-2.4.1_1.7.10.jar)
UC dldungeonsjdg{1.9.0} [Doomlike Dungeons] (DoomlikeDungeons-1.9.0-MC1.7.10.jar)
UC MoCreatures{6.3.1} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6)
UC eplus{3.0.2-d} [Enchanting Plus] (EnchantingPlus-1.7.10-3.0.2-d.jar)
UC EnderStorage{1.4.7.37} [EnderStorage] (EnderStorage-1.7.10-1.4.7.37-universal.jar)
UC Waila{1.5.10} [Waila] (Waila-1.5.10_1.7.10.jar)
UC TConstruct{1.7.10-1.8.8.build988} [Tinkers' Construct] (TConstruct-1.7.10-1.8.8.jar)
UC ExtraUtilities{1.2.8} [Extra Utilities] (extrautilities-1.2.8.jar)
UC Forestry{4.2.16.64} [Forestry for Minecraft] (forestry_1.7.10-4.2.16.64.jar)
UC GalacticraftCore{3.0.12} [Galacticraft Core] (GalacticraftCore-1.7-3.0.12.502.jar)
UC GalacticraftMars{3.0.12} [Galacticraft Planets] (Galacticraft-Planets-1.7-3.0.12.502.jar)
UC gravestone{0.7.10.3} [Gravestone] (GraveStone Mod 0.7.10.3.jar)
UC hardcorewither{1.1.3} [Hardcore Wither] (Hardcore Wither-1.7.10-1.1.3-21-universal.jar)
UC iChunUtil{4.2.2} [iChunUtil] (iChunUtil-4.2.2.jar)
UC Hats{4.0.1} [Hats] (Hats-4.0.1.jar)
UC InventoryPets{1.4.9.6} [Inventory Pets] (inventorypets-1.7.10-1.4.9.6-universal.jar)
UC inventorytweaks{1.59-dev-152-cf6e263} [Inventory Tweaks] (InventoryTweaks-1.59-dev-152.jar)
UC ironbackpacks{1.7.10-1.2.20} [Iron Backpacks] (IronBackpacks-1.7.10-1.2.20.jar)
UC IronChest{6.0.60.741} [Iron Chest] (ironchest-1.7.10-6.0.60.741-universal.jar)
UE journeymap{5.1.4p2} [JourneyMap] (journeymap-1.7.10-5.1.4p2-unlimited.jar)
UC harvestcraft{1.7.10j} [Pam's HarvestCraft] (Pam's HarvestCraft 1.7.10Lb.jar)
UC Roguelike{1.5.0} [Roguelike Dungeons] (roguelike-1.7.10-1.5.0b.jar)
UC runicdungeons{1.1.7b} [Runic Dungeons] (RunicDungeons-1.1.7b.jar)
UC StorageDrawers{1.7.10-1.7.0} [Storage Drawers] (StorageDrawers-1.7.10-1.7.0.jar)
UC WailaHarvestability{1.1.6} [Waila Harvestability] (WailaHarvestability-mc1.7.10-1.1.6.jar)
UC waystones{1.0.5} [Waystones] (Waystones-mc1.7.10-1.0.5.jar)
UC wolfarmor{1.3.0} [Wolf Armor and Storage] (wolfarmor-1.3.0.1.jar)
Mantle Environment: Environment healthy.
TConstruct Environment: Environment healthy.

If anyone was also wondering what version of minecraft this is, it is 1.7.10. Also it will soon be called pengiuncraft!

Thank You DragonLevain!

UPDATE: I tried to delete journey maps, and I found out that I have a 1.7.10 version and a 1.12 version. Since my resource pack is 1.7.10, I went ahead and deleted the 1.12 version. Also I downloaded CustomMobSpawner 3.3.0, 1.7.10. I have been able to load up Minecraft without it crashing. Huge Thanks and Shout out to DragonLevain!