C6 Error while cleanup Client

[ihearcolors]

 Error while cleanup client. java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 10

GameClient.java line 621 shouldn't it be 0 not -1? Also line 692?

[Mobius]

Default is -1.
Post full warning, if it does not have any use e1.printStackTrace();