Portal Gun Error

===Simple Minecraft Error Test===

Starting Minecraft...

16 achievements
148 recipes
MCPatcherUtils initialized. Directory C:\Users\User\AppData\Roaming\.minecraft
WARNING: Found unknown Windows version: Windows 7
Attempting to use default windows plug-in.
Loading: net.java.games.input.DirectAndRawInputEnvironmentPlugin

Starting up SoundSystem...
Initializing LWJGL OpenAL
    (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.or
g)
OpenAL initialized.

Skipping TileEntity with id HEPCatcher
Skipping TileEntity with id HEPCatcher
java.lang.NullPointerException
        at ba.a(SourceFile:44)
        at ba.a(SourceFile:18)
        at tc.a(SourceFile:174)
        at tc.a(SourceFile:168)
        at m.a(SourceFile:326)
        at pt.a(SourceFile:640)
        at pt.b(SourceFile:511)
        at net.minecraft.client.Minecraft.run(SourceFile:743)
        at java.lang.Thread.run(Unknown Source)
Stopping!

SoundSystem shutting down...
    Author: Paul Lamb, www.paulscode.com


Finished session


Right click, Select all,
Press Enter (This will copy the output to your clipboard).
Then paste the result on http://www.pastebin.com

===========#Risucraft===========

Press any key to continue . . .