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Currently supported: All versions

[1.7.2]Client Won't Start

TylerCraft10
in Modder Support

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Posted

I just set up a new mod workspace, but when I try to run the game, I get this error:

 

 

java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_45]
at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_45]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:117) [launchwrapper-1.9.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]

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