SPC: error

MagicMinecraftLauncher 0.8.6
27 achievements
174 recipes
ModLoader 1.1 Initializing...
Done.
Loading: net.java.games.input.LinuxEnvironmentPlugin
Failed to open device (/dev/input/event3): Failed to open device /dev/input/event3 (13)

Failed to open device (/dev/input/event2): Failed to open device /dev/input/event2 (13)

Failed to open device (/dev/input/event1): Failed to open device /dev/input/event1 (13)

Failed to open device (/dev/input/event0): Failed to open device /dev/input/event0 (13)

Linux plugin claims to have found 0 controllers

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

Commands: 145
Attempting to load: spc_paint
Attempting to load: spc_path
Attempting to load: spc_WorldEdit
java.lang.NoSuchMethodError: my.<init>(Ljava/lang/String;)V
    at agq.a(SourceFile:620)
    at agq.c(SourceFile:635)
    at uh.b(EntityPlayerSP.java:416)
    at PlayerHelper.sendMessage(PlayerHelper.java:5643)
    at PlayerHelper.sendMessage(PlayerHelper.java:5621)
    at uh.initPlayerHelper(EntityPlayerSP.java:746)
    at uh.<init>(EntityPlayerSP.java:57)
    at js.b(SourceFile:80)
    at acq.b(SourceFile:141)
    at net.minecraft.client.Minecraft.a(SourceFile:1811)
    at net.minecraft.client.Minecraft.a(SourceFile:1772)
    at net.minecraft.client.Minecraft.a(SourceFile:1660)
    at md.c(SourceFile:162)
    at md.a(SourceFile:119)
    at ug.a(SourceFile:72)
    at ug.f(SourceFile:120)
    at ug.i(SourceFile:108)
    at net.minecraft.client.Minecraft.k(SourceFile:1367)
    at net.minecraft.client.Minecraft.x(SourceFile:709)
    at net.minecraft.client.Minecraft.run(SourceFile:662)
    at java.lang.Thread.run(Thread.java:679)
Stopping!

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

Exception in thread "Minecraft main thread" org.lwjgl.LWJGLException: X Error - disp: 0xffffffff89c14d50 serial: 1064 error: GLXBadWindow request_code: 155 minor_code: 32
    at org.lwjgl.opengl.LinuxDisplay.globalErrorHandler(LinuxDisplay.java:268)
    at org.lwjgl.opengl.LinuxDisplay.nDestroyWindow(Native Method)
    at org.lwjgl.opengl.LinuxDisplay.destroyWindow(LinuxDisplay.java:484)
    at org.lwjgl.opengl.Display.destroyWindow(Display.java:352)
    at org.lwjgl.opengl.Display.destroy(Display.java:967)
    at net.minecraft.client.Minecraft.d(SourceFile:518)
    at net.minecraft.client.Minecraft.run(SourceFile:679)
    at java.lang.Thread.run(Thread.java:679)