unable to boot Forge 1.11

[the_hris__]

when i installed forge and tried to boot it i kept getting this report

 

2017-02-02 19:49:33,734 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
2017-02-02 19:49:33,736 WARN Unable to instantiate org.fusesource.jansi.WindowsAnsiOutputStream
[19:49:33] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[19:49:33] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[19:49:33] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[19:49:33] [main/INFO] [FML]: Forge Mod Loader version 13.19.1.2189 for Minecraft 1.11 loading
[19:49:33] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_25, running on Windows 10:amd64:10.0, installed at C:\Program Files (x86)\Minecraft\runtime\jre-x64\1.8.0_25
[19:49:33] [main/INFO] [FML]: Loading tweaker optifine.OptiFineForgeTweaker from OptiFine_1.8.0_HD_U_D1.jar
[19:49:33] [main/INFO] [FML]: Loading tweaker shadersmod.launch.SMCTweaker from ShadersMod-v2.4.11mc1.8.jar
[19:49:33] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[19:49:33] [main/INFO] [LaunchWrapper]: Loading tweak class name optifine.OptiFineForgeTweaker
[19:49:33] [main/INFO] [LaunchWrapper]: Loading tweak class name shadersmod.launch.SMCTweaker
[19:49:33] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[19:49:33] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[19:49:33] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[19:49:33] [main/INFO] [LaunchWrapper]: Calling tweak class optifine.OptiFineForgeTweaker
[19:49:33] [main/INFO] [STDOUT]: [optifine.OptiFineForgeTweaker:dbg:49]: OptiFineForgeTweaker: acceptOptions
[19:49:33] [main/INFO] [STDOUT]: [optifine.OptiFineForgeTweaker:dbg:49]: OptiFineForgeTweaker: injectIntoClassLoader
[19:49:34] [main/INFO] [STDOUT]: [optifine.OptiFineClassTransformer:dbg:179]: OptiFine ClassTransformer
[19:49:34] [main/INFO] [STDOUT]: [optifine.OptiFineClassTransformer:dbg:179]: OptiFine URL: file:/C:/Users/chris/AppData/Roaming/.minecraft/mods/OptiFine_1.8.0_HD_U_D1.jar
[19:49:34] [main/INFO] [STDOUT]: [optifine.OptiFineClassTransformer:dbg:179]: OptiFine ZIP file: java.util.zip.ZipFile@24a35978
[19:49:34] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[19:49:36] [main/INFO] [FML]: Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
[19:49:36] [main/INFO] [FML]: Found valid fingerprint for Minecraft. Certificate fingerprint cd99959656f753dc28d863b46769f7f8fbaefcfc
[19:49:36] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[19:49:36] [main/INFO] [LaunchWrapper]: Calling tweak class shadersmod.launch.SMCTweaker
[SMC INF]ShadersMod 2.4.11
[19:49:36] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
Exception in thread "main" [19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: java.lang.NoClassDefFoundError: net/minecraftforge/fml/common/ICrashCallable
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]:     at java.lang.Class.forName0(Native Method)
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]:     at java.lang.Class.forName(Class.java:344)
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraftforge.fml.common.launcher.FMLDeobfTweaker.injectIntoClassLoader(FMLDeobfTweaker.java:53)
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1061]: Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.common.ICrashCallable
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1061]:     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1061]:     at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1061]:     at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
[19:49:36] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1061]:     ... 5 more
[19:49:36] [main/INFO] [STDERR]: [java.lang.Throwable:printStackTrace:643]: Caused by: java.lang.IncompatibleClassChangeError: Implementing class
[19:49:36] [main/INFO] [STDERR]: [java.lang.Throwable:printStackTrace:643]:     at java.lang.ClassLoader.defineClass1(Native Method)
[19:49:36] [main/INFO] [STDERR]: [java.lang.Throwable:printStackTrace:643]:     at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
[19:49:36] [main/INFO] [STDERR]: [java.lang.Throwable:printStackTrace:643]:     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
[19:49:36] [main/INFO] [STDERR]: [java.lang.Throwable:printStackTrace:643]:     at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
[19:49:36] [main/INFO] [STDERR]: [java.lang.Throwable:printStackTrace:643]:     ... 7 more
 

[the_hris__]

thanks, i removed the old mods  it works now!