Makes it to Mojang logo, then crashes with an error report.

[grabmyrooster]

Launcher Version: 1.0.1.3

Operating System: Ubuntu 12.04 64-bit

Java Version: JRE version 7 Update 5

Antivirus Program: None at this time

Description of Problem:

Makes it to Mojang logo, then crashes with an error report.

Error Messages:

[02:15:16] [sEVERE] THROW

[02:15:26] [sEVERE] Exception in thread "Minecraft main thread"

[02:15:26] [sEVERE] java.lang.ExceptionInInitializerError

[02:15:26] [sEVERE] at net.minecraft.client.Minecraft.a(Minecraft.java:394)

[02:15:26] [sEVERE] at net.minecraft.client.Minecraft.run(Minecraft.java:732)

[02:15:26] [sEVERE] at java.lang.Thread.run(Thread.java:679)

[02:15:26] [sEVERE] Caused by: java.lang.RuntimeException: java.lang.NoSuchMethodError: ic2.api.CropCard.registerBaseSeed(Laan;IIIII)Z

[02:15:26] [sEVERE] at ModLoader.init(ModLoader.java:918)

[02:15:26] [sEVERE] at ModLoader.addAllRenderers(ModLoader.java:189)

[02:15:26] [sEVERE] at ahu.<init>(ahu.java:77)

[02:15:26] [sEVERE] at ahu.<clinit>(ahu.java:8)

[02:15:26] [sEVERE] ... 3 more

[02:15:26] [sEVERE] Caused by: java.lang.NoSuchMethodError: ic2.api.CropCard.registerBaseSeed(Laan;IIIII)Z

[02:15:26] [sEVERE] at ic2.common.IC2Crops.registerBaseSeeds(IC2Crops.java:82)

[02:15:26] [sEVERE] at ic2.common.IC2Crops.init(IC2Crops.java:43)

[02:15:26] [sEVERE] at mod_IC2.load(mod_IC2.java:522)

[02:15:26] [sEVERE] at ModLoader.init(ModLoader.java:891)

[02:15:26] [sEVERE] ... 6 more

Error Log:

[02:15:16] [sEVERE]	THROW

[02:15:26] [sEVERE]	Exception in thread "Minecraft main thread" 

[02:15:26] [sEVERE]	java.lang.ExceptionInInitializerError

[02:15:26] [sEVERE]		at net.minecraft.client.Minecraft.a(Minecraft.java:394)

[02:15:26] [sEVERE]		at net.minecraft.client.Minecraft.run(Minecraft.java:732)

[02:15:26] [sEVERE]		at java.lang.Thread.run(Thread.java:679)

[02:15:26] [sEVERE]	Caused by: java.lang.RuntimeException: java.lang.NoSuchMethodError: ic2.api.CropCard.registerBaseSeed(Laan;IIIII)Z

[02:15:26] [sEVERE]		at ModLoader.init(ModLoader.java:918)

[02:15:26] [sEVERE]		at ModLoader.addAllRenderers(ModLoader.java:189)

[02:15:26] [sEVERE]		at ahu.<init>(ahu.java:77)

[02:15:26] [sEVERE]		at ahu.<clinit>(ahu.java:8)

[02:15:26] [sEVERE]		... 3 more

[02:15:26] [sEVERE]	Caused by: java.lang.NoSuchMethodError: ic2.api.CropCard.registerBaseSeed(Laan;IIIII)Z

[02:15:26] [sEVERE]		at ic2.common.IC2Crops.registerBaseSeeds(IC2Crops.java:82)

[02:15:26] [sEVERE]		at ic2.common.IC2Crops.init(IC2Crops.java:43)

[02:15:26] [sEVERE]		at mod_IC2.load(mod_IC2.java:522)

[02:15:26] [sEVERE]		at ModLoader.init(ModLoader.java:891)

[02:15:26] [sEVERE]		... 6 more

[grabmyrooster]

Solved. For anyone else who's having the same problem, all I did was go into /technicssp/mods/thaumcraft2.1.1.zip and deleted the "ic2" folder (along with everything else accidentally, oops. good thing I don't use thaumcraft anyway ) and it loaded just fine after that.