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So, I created a new world, had no problems playing with multiple mods installed including Industrialcraft 2 until I tried to create machines for IC2. After I created the extractor and placed it, I then attempted to right click on the machine, which crashed the game. I tried going into the world again but the game crashed as it tried to open the world. Subsequent attampts yielded the same effect. I've tried to open other world but they have worked. Could anyone help me out with the problem?
I've read that it might be mod loader but I dont recount ever installing it and the version im playing on is over 1.8. Im running minecraft 1.7.2 and 2.1.4 of IC2.

---- Minecraft Crash Report ----
// Why did you do that?

Time: 7/16/15 10:48 AM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: org/ejml/data/Matrix64F
at ic2.core.energy.EnergyNetLocal.addTileToGrids(EnergyNetLocal.java:398)
at ic2.core.energy.EnergyNetLocal.addTileEntity(EnergyNetLocal.java:141)
at ic2.core.energy.EnergyNetLocal.addTileEntity(EnergyNetLocal.java:57)
at ic2.core.energy.EventHandler.onEnergyTileLoad(EventHandler.java:27)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_33_EventHandler_onEnergyTileLoad_EnergyTileLoadEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122)
at ic2.core.block.machine.tileentity.TileEntityElectricMachine.onLoaded(TileEntityElectricMachine.java:78)
at ic2.core.block.machine.tileentity.TileEntityStandardMachine.onLoaded(TileEntityStandardMachine.java:82)
at ic2.core.block.TileEntityBlock$1.tickCallback(TileEntityBlock.java:53)
at ic2.core.TickHandler.processTickCallbacks(TickHandler.java:137)
at ic2.core.TickHandler.onWorldTick(TickHandler.java:32)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_11_TickHandler_onWorldTick_WorldTickEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122)
at cpw.mods.fml.common.FMLCommonHandler.onPreWorldTick(FMLCommonHandler.java:268)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:604)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:531)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:669)
Caused by: java.lang.ClassNotFoundException: org.ejml.data.Matrix64F
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:188)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 21 more
Caused by: java.lang.NullPointerException

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

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_79, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 156302216 bytes (149 MB) / 396898304 bytes (378 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: 15, tallocated: 95
FML: MCP v9.03 FML v7.2.211.1121 Minecraft Forge 10.12.2.1121 21 mods loaded, 21 mods active
mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.2.211.1121} [Forge Mod Loader] (forge-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.12.2.1121} [Minecraft Forge] (forge-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore{1.0.2.10} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems{1.0.2.14} [Not Enough Items] (NotEnoughItems-1.7.2-1.0.2.14-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
backpackrenderer{1.7.2} [Backpack Renderer] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DamageIndicatorsMod{3.1.2} [Damage Indicators] ([1.7.2]DamageIndicatorsMod-3.1.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
bcmod{1.7.2 - 2.3.0} [BCMod (Brad16840.Common mod)] (Addon.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
backpacks16840{1.7.2 - 2.3.0} [Backpacks!] (Backpack Mod 1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BattleTowers{1.4.3} [Battle Towers] (BattleTowers_1.7.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
eplus{1.7.2-2.0.1.6} [Enchanting Plus] (EnchantingPlus-1.7.2-2.0.1.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IC2{2.1.484-experimental} [IndustrialCraft 2] (IndustrialCraft 2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
soulcraft{1.3} [SoulCraft] (soulcraft-v1.3-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Baubles{1.0.0.13} [Baubles] (Baubles-1.7.2-1.0.0.13.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Thaumcraft{4.1.1.14} [Thaumcraft] (Thaumcraft-1.7.2-4.1.1.14 (1).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
bspkrsCore{6.9} [bspkrsCore] ([1.7.2]bspkrsCore-universal-6.9.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Treecapitator{1.7.2} [Treecapitator] (Tree-Capitator-Mod-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TwilightForest{2.0.3} [The Twilight Forest] (twilightforest-1.7.2-2.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AS_UpdateCheck{1.1.2} [AtomicStryker Update Check Mod] (UpdateCheckerMod_1.7.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
weaponmod{1.7.2 v1.14.2} [Balkon's WeaponMod] (weaponmod-1.14.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
witchery{0.20.4} [Witchery] (witchery-1.7.2-0.20.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

Then, here are the subsequent crashes;

---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 7/16/15 1:39 PM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: org/ejml/data/Matrix64F
at ic2.core.energy.EnergyNetLocal.addTileToGrids(EnergyNetLocal.java:398)
at ic2.core.energy.EnergyNetLocal.addTileEntity(EnergyNetLocal.java:141)
at ic2.core.energy.EnergyNetLocal.addTileEntity(EnergyNetLocal.java:57)
at ic2.core.energy.EventHandler.onEnergyTileLoad(EventHandler.java:27)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_34_EventHandler_onEnergyTileLoad_EnergyTileLoadEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122)
at ic2.core.block.machine.tileentity.TileEntityElectricMachine.onLoaded(TileEntityElectricMachine.java:78)
at ic2.core.block.machine.tileentity.TileEntityStandardMachine.onLoaded(TileEntityStandardMachine.java:82)
at ic2.core.block.TileEntityBlock$1.tickCallback(TileEntityBlock.java:53)
at ic2.core.TickHandler.processTickCallbacks(TickHandler.java:137)
at ic2.core.TickHandler.onWorldTick(TickHandler.java:32)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_11_TickHandler_onWorldTick_WorldTickEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122)
at cpw.mods.fml.common.FMLCommonHandler.onPreWorldTick(FMLCommonHandler.java:268)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:604)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:531)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:669)
Caused by: java.lang.ClassNotFoundException: org.ejml.data.Matrix64F
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:188)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 21 more
Caused by: java.lang.NullPointerException

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

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_79, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 226710104 bytes (216 MB) / 578129920 bytes (551 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: 15, tallocated: 95
FML: MCP v9.03 FML v7.2.211.1121 Minecraft Forge 10.12.2.1121 21 mods loaded, 21 mods active
mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
FML{7.2.211.1121} [Forge Mod Loader] (forge-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Forge{10.12.2.1121} [Minecraft Forge] (forge-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
CodeChickenCore{1.0.2.10} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
NotEnoughItems{1.0.2.14} [Not Enough Items] (NotEnoughItems-1.7.2-1.0.2.14-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
backpackrenderer{1.7.2} [Backpack Renderer] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
DamageIndicatorsMod{3.1.2} [Damage Indicators] ([1.7.2]DamageIndicatorsMod-3.1.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
bcmod{1.7.2 - 2.3.0} [BCMod (Brad16840.Common mod)] (Addon.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
backpacks16840{1.7.2 - 2.3.0} [Backpacks!] (Backpack Mod 1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
BattleTowers{1.4.3} [Battle Towers] (BattleTowers_1.7.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
eplus{1.7.2-2.0.1.6} [Enchanting Plus] (EnchantingPlus-1.7.2-2.0.1.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
IC2{2.1.484-experimental} [IndustrialCraft 2] (IndustrialCraft 2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
soulcraft{1.3} [SoulCraft] (soulcraft-v1.3-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Baubles{1.0.0.13} [Baubles] (Baubles-1.7.2-1.0.0.13.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Thaumcraft{4.1.1.14} [Thaumcraft] (Thaumcraft-1.7.2-4.1.1.14 (1).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
bspkrsCore{6.9} [bspkrsCore] ([1.7.2]bspkrsCore-universal-6.9.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Treecapitator{1.7.2} [Treecapitator] (Tree-Capitator-Mod-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
TwilightForest{2.0.3} [The Twilight Forest] (twilightforest-1.7.2-2.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
AS_UpdateCheck{1.1.2} [AtomicStryker Update Check Mod] (UpdateCheckerMod_1.7.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
weaponmod{1.7.2 v1.14.2} [Balkon's WeaponMod] (weaponmod-1.14.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
witchery{0.20.4} [Witchery] (witchery-1.7.2-0.20.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

Any help would be welcome.