I only have three mods installed:
Pixelmon
Not Enough Mods
CodeChickenCore
Here's the report
2016-02-21 00:10:05,124 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
2016-02-21 00:10:05,125 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
[00:10:05] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[00:10:05] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[00:10:05] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[00:10:05] [main/INFO] [FML]: Forge Mod Loader version 11.15.1.1756 for Minecraft 1.8.9 loading
[00:10:05] [main/INFO] [FML]: Java is Java HotSpot 64-Bit Server VM, version 1.8.0_25, running on Windows 7:amd64:6.1, installed at C:\Users\owner\Downloads\MineCraft\runtime\jre-x64\1.8.0_25
2016-02-21 00:10:05,726 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
2016-02-21 00:10:05,739 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
2016-02-21 00:10:05,741 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
[00:10:05] [main/WARN] [FML]: The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: java.lang.RuntimeException: java.lang.NoSuchFieldException: loadedCoremods
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at codechicken.core.launch.DepLoader$DepLoadInst.searchCoreMod(DepLoader.java:552)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at codechicken.core.launch.DepLoader$DepLoadInst.activateDeps(DepLoader.java:502)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at codechicken.core.launch.DepLoader$DepLoadInst.load(DepLoader.java:496)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at codechicken.core.launch.DepLoader.load(DepLoader.java:684)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at codechicken.core.launch.CodeChickenCorePlugin.<init>(CodeChickenCorePlugin.java:47)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at java.lang.Class.newInstance(Class.java:438)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:577)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:416)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:246)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:95)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:72)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:119)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[00:10:05] [main/INFO] [sTDERR]: [net.minecraftforge.fml.relauncher.FMLLaunchHandler:setupHome:99]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[00:10:05] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:634]: Caused by: java.lang.NoSuchFieldException: loadedCoremods
[00:10:05] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:634]: at java.lang.Class.getDeclaredField(Class.java:2062)
[00:10:05] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:634]: at codechicken.core.launch.DepLoader$DepLoadInst.searchCoreMod(DepLoader.java:539)
[00:10:05] [main/INFO] [sTDERR]: [java.lang.Throwable:printStackTrace:634]: ... 18 more
[00:10:05] [main/ERROR] [FML]: An error occurred trying to configure the minecraft home at C:\Users\owner\AppData\Roaming\.minecraft for Forge Mod Loader
java.lang.RuntimeException: java.lang.NoSuchFieldException: loadedCoremods
at codechicken.core.launch.DepLoader$DepLoadInst.searchCoreMod(DepLoader.java:552) ~[DepLoader$DepLoadInst.class:?]
at codechicken.core.launch.DepLoader$DepLoadInst.activateDeps(DepLoader.java:502) ~[DepLoader$DepLoadInst.class:?]
at codechicken.core.launch.DepLoader$DepLoadInst.load(DepLoader.java:496) ~[DepLoader$DepLoadInst.class:?]
at codechicken.core.launch.DepLoader.load(DepLoader.java:684) ~[DepLoader.class:?]
at codechicken.core.launch.CodeChickenCorePlugin.<init>(CodeChickenCorePlugin.java:47) ~[CodeChickenCore-1.8-1.0.5.36-universal.jar:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_25]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_25]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_25]
at java.lang.reflect.Constructor.newInstance(Constructor.java:408) ~[?:1.8.0_25]
at java.lang.Class.newInstance(Class.java:438) ~[?:1.8.0_25]
at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:577) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:416) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:246) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:95) [forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:72) [forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) [forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:119) [forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: java.lang.NoSuchFieldException: loadedCoremods
at java.lang.Class.getDeclaredField(Class.java:2062) ~[?:1.8.0_25]
at codechicken.core.launch.DepLoader$DepLoadInst.searchCoreMod(DepLoader.java:539) ~[DepLoader$DepLoadInst.class:?]
... 18 more
[00:10:05] [main/ERROR] [LaunchWrapper]: Unable to launch
java.lang.RuntimeException: java.lang.NoSuchFieldException: loadedCoremods
at codechicken.core.launch.DepLoader$DepLoadInst.searchCoreMod(DepLoader.java:552) ~[DepLoader$DepLoadInst.class:?]
at codechicken.core.launch.DepLoader$DepLoadInst.activateDeps(DepLoader.java:502) ~[DepLoader$DepLoadInst.class:?]
at codechicken.core.launch.DepLoader$DepLoadInst.load(DepLoader.java:496) ~[DepLoader$DepLoadInst.class:?]
at codechicken.core.launch.DepLoader.load(DepLoader.java:684) ~[DepLoader.class:?]
at codechicken.core.launch.CodeChickenCorePlugin.<init>(CodeChickenCorePlugin.java:47) ~[CodeChickenCore-1.8-1.0.5.36-universal.jar:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_25]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_25]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_25]
at java.lang.reflect.Constructor.newInstance(Constructor.java:408) ~[?:1.8.0_25]
at java.lang.Class.newInstance(Class.java:438) ~[?:1.8.0_25]
at net.minecraftforge.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:577) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:416) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:246) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:95) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:72) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:119) ~[forge-1.8.9-11.15.1.1756.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: java.lang.NoSuchFieldException: loadedCoremods
at java.lang.Class.getDeclaredField(Class.java:2062) ~[?:1.8.0_25]
at codechicken.core.launch.DepLoader$DepLoadInst.searchCoreMod(DepLoader.java:539) ~[DepLoader$DepLoadInst.class:?]
... 18 more
Exception in thread "main" [00:10:05] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
[00:10:05] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:30)
[00:10:05] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.SecurityManager.checkExit(SecurityManager.java:761)
[00:10:05] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Runtime.exit(Runtime.java:107)
[00:10:05] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.System.exit(System.java:968)
[00:10:05] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
[00:10:05] [main/INFO] [sTDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)