Minecraft Forums

Hey, im trying to install mods with magic launcher. I tried to fix the problem by deleting my .minecraft, but once i reinstalled it i came up with the same error. yesterday it was also happening to me, and the only time minecraft worked was when i used a mod i made and modloader. please help!!! here is the crash report:


*** MagicMinecraftLauncher 1.0.0 ***
Disable inactive mods
2013-04-16 17:12:11 [INFO] [ForgeModLoader] Forge Mod Loader version 5.1.8.608 for Minecraft 1.5.1 loading
2013-04-16 17:12:11 [INFO] [ForgeModLoader] Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_17, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre7
2013-04-16 17:12:11 [INFO] [ForgeModLoader] Found valid fingerprint for Minecraft Forge. Certificate fingerprint de4cf8a3f3bc15635810044c39240bf96804ea7d
2013-04-16 17:12:13 [INFO] [STDOUT] 229 recipes
2013-04-16 17:12:13 [INFO] [STDOUT] 27 achievements
2013-04-16 17:12:13 [INFO] [Minecraft-Client] Setting user: [email protected]
2013-04-16 17:12:13 [INFO] [STDOUT] (Session ID is 158316770)
2013-04-16 17:12:13 [INFO] [STDERR] Client asked for parameter: server
2013-04-16 17:12:13 [INFO] [Minecraft-Client] LWJGL Version: 2.4.2
2013-04-16 17:12:13 [INFO] [MinecraftForge] Attempting early MinecraftForge initialization
2013-04-16 17:12:13 [INFO] [STDOUT] MinecraftForge v7.7.0.608 Initialized
2013-04-16 17:12:13 [INFO] [ForgeModLoader] MinecraftForge v7.7.0.608 Initialized
2013-04-16 17:12:13 [INFO] [STDOUT] Replaced 85 ore recipies
2013-04-16 17:12:13 [INFO] [MinecraftForge] Completed early MinecraftForge initialization
2013-04-16 17:12:13 [INFO] [ForgeModLoader] Reading custom logging properties from C:\Users\Kyle\AppData\Roaming\.minecraft\config\logging.properties
2013-04-16 17:12:13 [OFF] [ForgeModLoader] Logging level for ForgeModLoader logging is set to ALL
2013-04-16 17:12:13 [INFO] [ForgeModLoader] Searching C:\Users\Kyle\AppData\Roaming\.minecraft\mods for mods
2013-04-16 17:12:14 [INFO] [ForgeModLoader] Forge Mod Loader has identified 7 mods to load
2013-04-16 17:12:14 [INFO] [mcp] Activating mod mcp
2013-04-16 17:12:14 [INFO] [FML] Activating mod FML
2013-04-16 17:12:14 [INFO] [Forge] Activating mod Forge
2013-04-16 17:12:14 [INFO] [FriendsOverlay] Activating mod FriendsOverlay
2013-04-16 17:12:14 [INFO] [mod_FriendsOverlay] Activating mod mod_FriendsOverlay
2013-04-16 17:12:14 [INFO] [MainMenuAPI] Activating mod MainMenuAPI
2013-04-16 17:12:14 [INFO] [inventorytweaks] Activating mod inventorytweaks
2013-04-16 17:12:14 [INFO] [ForgeModLoader] Configured a dormant chunk cache size of 0
2013-04-16 17:12:14 [INFO] [STDERR] Exception in thread "Minecraft main thread" java.lang.NoSuchMethodError: net.minecraft.stats.Achievement.func_75988_a(Lnet/minecraft/stats/IStatStringFormat;)Lnet/minecraft/stats/Achievement;
2013-04-16 17:12:14 [INFO] [STDERR] at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:421)
2013-04-16 17:12:14 [INFO] [STDERR] at net.minecraft.client.MinecraftAppletImpl.func_71384_a(SourceFile:56)
2013-04-16 17:12:14 [INFO] [STDERR] at net.minecraft.client.Minecraft.run(Minecraft.java:729)
2013-04-16 17:12:14 [INFO] [STDERR] at java.lang.Thread.run(Unknown Source)