Strangest crash report ever

hi today i when i went to go build on the server i build for everytime i logged on i got this crash report

---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 2/24/15 8:06 PM
Description: Updating screen events

java.lang.IllegalArgumentException: java.text.ParseException: A prohibited code point was found in the input????????mc
at java.net.IDN.toASCIIInternal(IDN.java:243)
at java.net.IDN.toASCII(IDN.java:101)
at java.net.IDN.toASCII(IDN.java:127)
at ceu.a(SourceFile:21)
at bvz.<init>(SourceFile:38)
at bzo.a(SourceFile:313)
at bzo.f(SourceFile:305)
at bzo.a(SourceFile:149)
at bxe.a(SourceFile:342)
at bzo.a(SourceFile:343)
at bxe.k(SourceFile:405)
at bzo.k(SourceFile:85)
at bxe.p(SourceFile:382)
at bss.r(SourceFile:1480)
at bss.at(SourceFile:880)
at bss.a(SourceFile:317)
at net.minecraft.client.main.Main.main(SourceFile:124)
Caused by: java.text.ParseException: A prohibited code point was found in the input????????mc
at sun.net.idn.StringPrep.prepare(StringPrep.java:430)
at java.net.IDN.toASCIIInternal(IDN.java:241)
... 16 more


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

-- Head --
Stacktrace:
at java.net.IDN.toASCIIInternal(IDN.java:243)
at java.net.IDN.toASCII(IDN.java:101)
at java.net.IDN.toASCII(IDN.java:127)
at ceu.a(SourceFile:21)
at bvz.<init>(SourceFile:38)
at bzo.a(SourceFile:313)
at bzo.f(SourceFile:305)
at bzo.a(SourceFile:149)
at bxe.a(SourceFile:342)
at bzo.a(SourceFile:343)
at bxe.k(SourceFile:405)
at bzo.k(SourceFile:85)
at bxe.p(SourceFile:382)

-- Affected screen --
Details:
Screen name: bzo
Stacktrace:
at bss.r(SourceFile:1480)
at bss.at(SourceFile:880)
at bss.a(SourceFile:317)
at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
Minecraft Version: 1.8.1
Operating System: Mac OS X (x86_64) version 10.10.1
Java Version: 1.6.0_65, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 174132160 bytes (166 MB) / 242417664 bytes (231 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.8.1
LWJGL: 2.9.2
OpenGL: Intel HD Graphics 4000 OpenGL Engine GL version 2.1 INTEL-10.0.86, Intel Inc.
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: [DURZOS WIP PACK_1-23-15]
Current Language: English (UK)
Profiler Position: N/A (disabled)

i have reported to mojang but anyone know how i fix this or if anyone else has gotten a crash like this b4 thnx
~shadow