Hopper: java.lang.IllegalStateException: Can't save stats while StatsSyncher is busy!

java.lang.IllegalStateException: Can't save stats while StatsSyncher is busy!
	at blt.a(SourceFile:198)
	at bls.e(SourceFile:209)
	at ats.k(SourceFile:1129)
	at ats.S(SourceFile:663)
	at ats.d(SourceFile:619)
	at net.minecraft.client.main.Main.main(SourceFile:101)

---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 8/2/13 7:15 AM
Description: Unexpected error

java.lang.IllegalStateException: Can't save stats while StatsSyncher is busy!
	at blt.a(SourceFile:198)
	at bls.e(SourceFile:209)
	at ats.k(SourceFile:1129)
	at ats.S(SourceFile:663)
	at ats.d(SourceFile:619)
	at net.minecraft.client.main.Main.main(SourceFile:101)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 1.6.2
	Operating System: Mac OS X (x86_64) version 10.6.8
	Java Version: 1.6.0_51, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 90863096 bytes (86 MB) / 121634816 bytes (116 MB) up to 1065025536 bytes (1015 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.6.2
	LWJGL: 2.9.0
	OpenGL: ATI Radeon HD 5670 OpenGL Engine GL version 2.1 ATI-1.6.36, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Default
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null