im running 1.7.2 for forge & have linked forge and my account. without mods, minecraft loads easily and quickly. however if i add a mod, such as copious dogs mod, the game will crash and i receive this: (if you need any extra info, ask me for it and ill be glad to provide!)

 

--- Minecraft Crash Report ----

// Surprise! Haha. Well, this is awkward.

 

Time: 4/30/14 7:41 PM

Description: There was a severe problem during mod loading that has caused the game to fail

 

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraftforge/common/Configuration

at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)

at cpw.mods.fml.common.Loader.loadMods(Loader.java:501)

at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:202)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467)

at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:815)

at net.minecraft.client.main.Main.main(SourceFile:103)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

Caused by: java.lang.NoClassDefFoundError: net/minecraftforge/common/Configuration

at com.gitHub.copiousDogs.CopiousDogs.preInit(CopiousDogs.java:86)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)

at com.google.common.eventbus.EventBus.post(EventBus.java:267)

at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:209)

at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:188)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)

at com.google.common.eventbus.EventBus.post(EventBus.java:267)

at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119)

at cpw.mods.fml.common.Loader.loadMods(Loader.java:500)

... 10 more

Caused by: java.lang.ClassNotFoundException: net.minecraftforge.common.Configuration

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:188)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 38 more

Caused by: java.lang.NullPointerException

at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:180)

... 40 more

 

 

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 7 (amd64) version 6.1

Java Version: 1.7.0_25, Oracle Corporation

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 207121384 bytes (197 MB) / 323551232 bytes (308 MB) up to 954466304 bytes (910 MB)

JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G

AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

FML: MCP v9.03 FML v7.2.165.1065 Minecraft Forge 10.12.1.1065 4 mods loaded, 4 mods active

mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized

FML{7.2.165.1065} [Forge Mod Loader] (forge-1.7.2-10.12.1.1065.jar) Unloaded->Constructed->Pre-initialized

Forge{10.12.1.1065} [Minecraft Forge] (forge-1.7.2-10.12.1.1065.jar) Unloaded->Constructed->Pre-initialized

CopiousDogs{alpha-1.1.2} [Copious Dogs] (copious-dogs-alpha-1.1.2.jar) Unloaded->Constructed->Errored

 

CopiousDogs mod is for 1.6