MuliMC Error 2

MultiMC version: 0.4.5

Minecraft folder is:
C:/Users/Joseph Abramov/Desktop/MultiMC/instances/1.8/minecraft

Java path is:
C:/Program Files/Java/jdk1.7.0_75/bin/javaw.exe

Java Arguments:
[-XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump, -Xms512m, -Xmx4096m, -XX:PermSize=256m, -Duser.language=en, -jar, C:/Users/Joseph Abramov/Desktop/MultiMC/jars/NewLaunch.jar]

Using onesix launcher.

Not enough arguments.
org.multimc.NotFoundException
	at org.multimc.ParamBucket.all(ParamBucket.java:43)
	at org.multimc.onesix.OneSixLauncher.processParams(OneSixLauncher.java:55)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:302)
	at org.multimc.EntryPoint.listen(EntryPoint.java:165)
	at org.multimc.EntryPoint.main(EntryPoint.java:54)
Exiting with -1
Minecraft exited with exitcode -1.