skyresources-0.6.6 Alpha.jar crashes the game from the get go. Even I tried loading it on its own.

Here is the crash report:

---- Minecraft Crash Report ----

WARNING: coremods are present:
CoreXU2 (extrautils2-1.9.4-alpha-1.0.0a.jar)
FMLPlugin (InventoryTweaks-1.61-beta-54.jar)
LoadingPlugin (Quark-beta-28.jar)
EnderCorePlugin (EnderCore-1.9.4-0.4.0.26-alpha.jar)
Contact their authors BEFORE contacting forge

// I'm sorry, Dave.

Time: 6/23/16 8:54 AM
Description: There was a severe problem during mod loading that has caused the game to fail

net.minecraftforge.fml.common.LoaderException: java.lang.NoClassDefFoundError: scala/actors/threadpool/Arrays
at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:179)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:589)
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:249)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:437)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349)
at net.minecraft.client.main.Main.main(SourceFile:124)
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: scala/actors/threadpool/Arrays
at com.bartz24.skyresources.config.ConfigOptions.loadConfigThenSave(ConfigOptions.java:157)
at com.bartz24.skyresources.proxy.CommonProxy.preInit(CommonProxy.java:37)
at com.bartz24.skyresources.proxy.ClientProxy.preInit(ClientProxy.java:15)
at com.bartz24.skyresources.SkyResources.preInit(SkyResources.java:75)
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.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:566)
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 net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:228)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:206)
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 net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:586)
... 10 more
Caused by: java.lang.ClassNotFoundException: scala.actors.threadpool.Arrays
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)
... 40 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: 1.9.4
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: 250494224 bytes (238 MB) / 524288000 bytes (500 MB) up to 716177408 bytes (683 MB)
JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx768m -Xms256m -XX:PermSize=256m
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.28 Powered by Forge 12.17.0.1967 20 mods loaded, 20 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{9.19} Minecraft Coder Pack
UCH FML{8.0.99.99} Forge Mod Loader
UCH Forge{12.17.0.1967} Minecraft Forge
UCH MineTweaker3{3.0.9} MineTweaker 3
UCH dimensionalcake{0.0.1} Dimensional Cake
UCH endercore{1.9.4-0.4.0.26-alpha} EnderCore
UCH Waila{1.7.0} Waila
UCH EnderIO{1.9.4-3.0.0.45_alpha} Ender IO
UCH ExtraUtils2{1.0} ExtraUtils2
UCH inventorytweaks{1.61-beta-54-009e843} Inventory Tweaks
UCH IronChest{6.0.145.787} Iron Chest
UCH jacb{1.0.6} JACB
UCH JEI{3.6.7.216} Just Enough Items
UCH jeresources{0.4.6.35} Just Enough Resources
UCH harvestcraft{1.9.4-pre} [Pam's HarvestCraft](Pam's HarvestCraft 1.9.4b.jar)
UCH Quark{beta-28} Quark
UCE skyresources{0.6.6 Alpha} [Sky Resources](skyresources-0.6.6 Alpha.jar)
UCH terrainCrystals{1.0.8} [Terrain Crystals](Terrain Crystals - 1.9.4 - 1.0.8.jar)
UCH wailafeatures{0.3.1.11} WAILA Features
UCH Woot{1.9.4-0.3.0-beta} Woot
Loaded coremods (and transformers):
CoreXU2 (extrautils2-1.9.4-alpha-1.0.0a.jar)
com.rwtema.extrautils2.asm.ClassTransformerHandler
FMLPlugin (InventoryTweaks-1.61-beta-54.jar)
invtweaks.forge.asm.ContainerTransformer
LoadingPlugin (Quark-beta-28.jar)
vazkii.quark.base.asm.ClassTransformer
EnderCorePlugin (EnderCore-1.9.4-0.4.0.26-alpha.jar)
com.enderio.core.common.transform.EnderCoreTransformer
GL info: ' Vendor: 'Intel' Version: '3.0.0 - Build 8.15.10.2279' Renderer: 'Intel(R) HD Graphics Family'
EnderIO: No known problems detected.
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Fixed