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I use forge and the mods a have are Schematica and LunatriusCore, This is what it says:

---- Minecraft Crash Report ----
// I feel sad now

Time: 5/22/16 10:51 AM
Description: Initializing game

java.lang.NoClassDefFoundError: net/minecraftforge/fml/client/GuiIngameModOptions
at com.github.lunatrius.core.handler.GuiHandler.onGuiOpen(GuiHandler.java:22)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_8_GuiHandler_onGuiOpen_GuiOpenEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraft.client.Minecraft.func_147108_a(Minecraft.java:912)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:501)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:325)
at net.minecraft.client.main.Main.main(SourceFile:120)
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: net.minecraftforge.fml.client.GuiIngameModOptions
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)
... 14 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 16 more

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

-- Head --
Stacktrace:
at com.github.lunatrius.core.handler.GuiHandler.onGuiOpen(GuiHandler.java:22)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_8_GuiHandler_onGuiOpen_GuiOpenEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraft.client.Minecraft.func_147108_a(Minecraft.java:912)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:501)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:325)
at net.minecraft.client.main.Main.main(SourceFile:120)
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: 1.8
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: 362149800 bytes (345 MB) / 599261184 bytes (571 MB) up to 1908932608 bytes (1820 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.4.1577 5 mods loaded, 5 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJA FML{8.0.99.99} [Forge Mod Loader] (forge-1.8-11.14.4.1577.jar)
UCHIJA Forge{11.14.4.1577} [Minecraft Forge] (forge-1.8-11.14.4.1577.jar)
UCHIJA LunatriusCore{1.1.2.29} [LunatriusCore] (LunatriusCore-1.8-1.1.2.29-universal.jar)
UCHIJA Schematica{1.7.7.140} [Schematica] (Schematica-Mod-1.8.jar)
Loaded coremods (and transformers):
GL info: ' Vendor: 'Intel' Version: '4.0.0 - Build 10.18.10.4276' Renderer: 'Intel(R) HD Graphics 4000'
Launched Version: 1.8-forge1.8-11.14.4.1577
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics 4000 GL version 4.0.0 - Build 10.18.10.4276, Intel
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: No
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)

How Do I Open The Config File? It's A Jar.