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I'm Running latest Forge/LiteLoader

Im runing the latest java version 8_31

Here's the ModPack [ http://www.technicpack.net/modpack/18-testpack.588887 ] it works now becuase i haven't add in BiomesOPlenty Yet



Heres crash report:

[20:32:31] [main/INFO]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[20:32:32] [main/INFO]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[20:32:32] [main/INFO]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[20:32:32] [main/INFO]: Forge Mod Loader version 8.0.32.1313 for Minecraft 1.8 loading
[20:32:32] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_31, running on Windows 8.1:amd64:6.3, installed at C:\Program Files\Java\jre1.8.0_31
[20:32:33] [main/INFO]: Loading tweaker org.spongepowered.asm.launch.MixinTweaker from BiomesOPlenty-1.8-3.0.0.1065-universal.jar
[20:32:34] [main/WARN]: The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[20:32:40] [main/WARN]: The coremod codechicken.lib.asm.CCLCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[20:32:40] [main/WARN]: The coremod codechicken.lib.asm.CCLCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[20:32:40] [main/INFO]: Loading tweaker com.mumfrey.liteloader.launch.LiteLoaderTweaker from liteloader-1.8.jar
[20:32:40] [main/WARN]: The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[20:32:40] [main/WARN]: The coremod com.dynious.versionchecker.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[20:32:40] [main/INFO]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[20:32:40] [main/INFO]: Loading tweak class name org.spongepowered.asm.launch.MixinTweaker
[20:32:40] [main/WARN]: The coremod biomesoplenty.common.asm.BOPLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[20:32:40] [main/INFO]: Loading tweak class name com.mumfrey.liteloader.launch.LiteLoaderTweaker
[20:32:40] [main/INFO]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[20:32:40] [main/INFO]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[20:32:40] [main/INFO]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[20:32:40] [main/INFO]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[20:32:41] [main/ERROR]: A critical problem occurred registering the ASM transformer class $wrapper.net.minecraftforge.fml.common.asm.transformers.MarkerTransformer
java.lang.ClassNotFoundException: $wrapper.net.minecraftforge.fml.common.asm.transformers.MarkerTransformer
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:88) [launchwrapper-1.11.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:118) [modpack.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer ne[email protected]367ffa75 from coremod FMLCorePlugin
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:234) ~[modpack.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.11.jar:?]
... 6 more
Caused by: java.lang.LinkageError: loader constraint violation: when resolving method "org.objectweb.asm.ClassReader.accept(Lorg/objectweb/asm/ClassVisitor;I)V" the class loader (instance of net/minecraft/launchwrapper/LaunchClassLoader) of the current class, net/minecraftforge/fml/common/asm/transformers/BlamingTransformer, and the class loader (instance of sun/misc/Launcher$AppClassLoader) for the method's defining class, org/objectweb/asm/ClassReader, have different Class objects for the type org/objectweb/asm/ClassVisitor used in the signature
at net.minecraftforge.fml.common.asm.transformers.BlamingTransformer.transform(BlamingTransformer.java:39) ~[modpack.jar:?]
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:230) ~[modpack.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.11.jar:?]
... 6 more
[20:32:41] [main/ERROR]: A critical problem occurred registering the ASM transformer class $wrapper.net.minecraftforge.fml.common.asm.transformers.SideTransformer
java.lang.ClassNotFoundException: $wrapper.net.minecraftforge.fml.common.asm.transformers.SideTransformer
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:88) [launchwrapper-1.11.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:118) [modpack.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer ne[email protected]367ffa75 from coremod FMLCorePlugin
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:234) ~[modpack.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.11.jar:?]
... 6 more
Caused by: java.lang.LinkageError: loader constraint violation: when resolving method "org.objectweb.asm.ClassReader.accept(Lorg/objectweb/asm/ClassVisitor;I)V" the class loader (instance of net/minecraft/launchwrapper/LaunchClassLoader) of the current class, net/minecraftforge/fml/common/asm/transformers/BlamingTransformer, and the class loader (instance of sun/misc/Launcher$AppClassLoader) for the method's defining class, org/objectweb/asm/ClassReader, have different Class objects for the type org/objectweb/asm/ClassVisitor used in the signature
at net.minecraftforge.fml.common.asm.transformers.BlamingTransformer.transform(BlamingTransformer.java:39) ~[modpack.jar:?]
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:230) ~[modpack.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.11.jar:?]
... 6 more
[20:32:41] [main/ERROR]: A critical problem occurred registering the ASM transformer class $wrapper.net.minecraftforge.fml.common.asm.transformers.EventSubscriptionTransformer
java.lang.ClassNotFoundException: $wrapper.net.minecraftforge.fml.common.asm.transformers.EventSubscriptionTransformer
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:88) [launchwrapper-1.11.jar:?]
at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:118) [modpack.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer ne[email protected]367ffa75 from coremod FMLCorePlugin
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:234) ~[modpack.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.11.jar:?]
... 6 more
Caused by: java.lang.LinkageError: loader constraint violation: when resolving method "org.objectweb.asm.ClassReader.accept(Lorg/objectweb/asm/ClassVisitor;I)V" the class loader (instance of net/minecraft/launchwrapper/LaunchClassLoader) of the current class, net/minecraftforge/fml/common/asm/transformers/BlamingTransformer, and the class loader (instance of sun/misc/Launcher$AppClassLoader) for the method's defining class, org/objectweb/asm/ClassReader, have different Class objects for the type org/objectweb/asm/ClassVisitor used in the signature
at net.minecraftforge.fml.common.asm.transformers.BlamingTransformer.transform(BlamingTransformer.java:39) ~[modpack.jar:?]
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:230) ~[modpack.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.11.jar:?]
... 6 more
[20:32:41] [main/ERROR]: Unable to launch
java.lang.RuntimeException: java.lang.ClassNotFoundException: net.minecraftforge.fml.common.asm.FMLSanityChecker
at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:155) ~[modpack.jar:?]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.common.asm.FMLSanityChecker
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_31]
at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_31]
at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:143) ~[modpack.jar:?]
... 2 more
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer ne[email protected]367ffa75 from coremod FMLCorePlugin
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:234) ~[modpack.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_31]
at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_31]
at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:143) ~[modpack.jar:?]
... 2 more
Caused by: java.lang.LinkageError: loader constraint violation: when resolving method "org.objectweb.asm.ClassReader.accept(Lorg/objectweb/asm/ClassVisitor;I)V" the class loader (instance of net/minecraft/launchwrapper/LaunchClassLoader) of the current class, net/minecraftforge/fml/common/asm/transformers/BlamingTransformer, and the class loader (instance of sun/misc/Launcher$AppClassLoader) for the method's defining class, org/objectweb/asm/ClassReader, have different Class objects for the type org/objectweb/asm/ClassVisitor used in the signature
at net.minecraftforge.fml.common.asm.transformers.BlamingTransformer.transform(BlamingTransformer.java:39) ~[modpack.jar:?]
at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:230) ~[modpack.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_31]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_31]
at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_31]
at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:143) ~[modpack.jar:?]
... 2 more

Um...this is a test pack using sponge powered (which apparently got super early version out to Technic for testing as i don't see it out on the main page) and 1.8 mods. And BoP last I checked didn't even have biomes implemented yet.
If you don't know how testing is done and where to report it, stay away from this pack for now and leave it to the designated testers.

biomes O Plenty is out for 1.8. You have select the 1.8 version of BOP http://files.minecraftforge.net/BiomesOPlenty/

I know you can download it. But...last time I tried on 1.8, biomes have not been implemented yet, and I did ask on the author's thread and yes they confirmed this was so. So as much as I like it, there is no point in playing it yet until the development progresses a little further.