EIn fehler

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Time: 01.10.15 20:30
Description: Initializing game

java.lang.NoClassDefFoundError: org/lwjgl/util/vector/Vector3f
	at bgq$a.<clinit>(SourceFile:47)
	at bgl.<clinit>(SourceFile:25)
	at bot.<clinit>(SourceFile:112)
	at bou.a(SourceFile:22)
	at bnn.a(SourceFile:99)
	at ave.am(SourceFile:448)
	at ave.a(SourceFile:310)
	at net.minecraft.client.main.Main.main(SourceFile:124)
Caused by: java.lang.ClassNotFoundException: org.lwjgl.util.vector.Vector3f
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 8 more


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

-- Head --
Stacktrace:
	at bgq$a.<clinit>(SourceFile:47)
	at bgl.<clinit>(SourceFile:25)
	at bot.<clinit>(SourceFile:112)
	at bou.a(SourceFile:22)
	at bnn.a(SourceFile:99)
	at ave.am(SourceFile:448)

-- Initialization --
Details:
Stacktrace:
	at ave.a(SourceFile:310)
	at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
	Minecraft Version: 1.8.8
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 80817152 bytes (77 MB) / 182525952 bytes (174 MB) up to 523501568 bytes (499 MB)
	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache