Hopper: java.lang.ArithmeticException: / by zero

java.lang.ArithmeticException: / by zero
	at com.mojang.realmsclient.gui.screens.RealmsUploadScreen.drawUploadSpeed(RealmsUploadScreen.java:163)
	at com.mojang.realmsclient.gui.screens.RealmsUploadScreen.render(RealmsUploadScreen.java:110)
	at bvt.a(SourceFile:88)

---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 2/09/14 04:00 AM
Description: Rendering screen

java.lang.ArithmeticException: / by zero
	at com.mojang.realmsclient.gui.screens.RealmsUploadScreen.drawUploadSpeed(RealmsUploadScreen.java:163)
	at com.mojang.realmsclient.gui.screens.RealmsUploadScreen.render(RealmsUploadScreen.java:110)
	at bvt.a(SourceFile:88)
	at cji.b(SourceFile:1020)
	at bsu.as(SourceFile:903)
	at bsu.a(SourceFile:314)
	at net.minecraft.client.main.Main.main(SourceFile:120)


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

-- Head --
Stacktrace:
	at com.mojang.realmsclient.gui.screens.RealmsUploadScreen.drawUploadSpeed(RealmsUploadScreen.java:163)
	at com.mojang.realmsclient.gui.screens.RealmsUploadScreen.render(RealmsUploadScreen.java:110)
	at bvt.a(SourceFile:88)

-- Screen render details --
Details:
	Screen name: bvt
	Mouse location: Scaled: (290, 56). Absolute: (870, 666)
	Screen size: Scaled: (534, 279). Absolute: (1600, 837). Scale factor of 3
Stacktrace:
	at cji.b(SourceFile:1020)
	at bsu.as(SourceFile:903)
	at bsu.a(SourceFile:314)
	at net.minecraft.client.main.Main.main(SourceFile:120)

-- System Details --
Details:
	Minecraft Version: 1.8
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_55, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 73461840 bytes (70 MB) / 406323200 bytes (387 MB) up to 2863661056 bytes (2731 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3G
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.8
	LWJGL: 2.9.1
	OpenGL: GeForce GT 240/PCIe/SSE2 GL version 3.3.0, NVIDIA Corporation
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 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: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)