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I have started playing minecraft for a long time but this is the only mod I have tried to download. I would be grateful if someone can help me fix this error.

Ps. I used the magic launcher. ty

.---- Minecraft Crash Report ----
// I let you down. Sorry

Time: 6/19/13 6:38 PM
Description: Failed to start game

cpw.mods.fml.common.LoaderException: java.lang.NoSuchMethodError: net.minecraft.creativetab.CreativeTabs.<init>(Ljava/lang/String;)V
at cpw.mods.fml.common.LoadController.transition(LoadController.java:147)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:516)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:163)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:310)
at net.minecraft.client.MinecraftAppletImpl.func_71384_a(SourceFile:56)
at net.minecraft.client.Minecraft.run(Minecraft.java:607)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoSuchMethodError: net.minecraft.creativetab.CreativeTabs.<init>(Ljava/lang/String;)V
at sanandreasp.mods.ClaySoldiersMod.CreativeTab_ClaySoldiers.<init>(CreativeTab_ClaySoldiers.java:11)
at sanandreasp.mods.ClaySoldiersMod.registry.CSMModRegistry.preInit(CSMModRegistry.java:140)
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:494)
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:45)
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:192)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:172)
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:45)
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:103)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:515)
... 5 more


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

-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows 8 (x86) version 6.2
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot™ Client VM (mixed mode, sharing), Oracle Corporation
Memory: 436241912 bytes (416 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -Xms512m -Xmx512m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML is installed
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v7.51 FML v5.2.23.657 4 mods loaded, 4 mods active
mcp{7.51} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized
FML{5.2.23.657} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized
ClaySoldiersMod{9.1} [Clay Soldiers Mod] (CSM_v911.jar) Unloaded->Constructed->Errored
SAP_Man{1.4.2} [SanAndreasPs Managers] (SAP_ManPack_v142.jar) Unloaded->Constructed->Pre-initialized
LWJGL: 2.4.2
OpenGL: GeForce GT 630M/PCIe/SSE2 GL version 4.2.0, NVIDIA Corporation
Is Modded: Definitely; Client brand changed to 'fml'
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

Try installing it manually, by extracting the files onto your minecraft.jar.

If you don't know how to install manually,here is how:

Find .minecraft in %appdata%.
Open bin.
Open minecraft.jar with WinRar.
Open your mods zip.
Drag and Drop mod zip contents into minecraft.jar.
Close everything and Check Minecraft.