MRA Client Debug

java.io.StreamCorruptedException: invalid stream header: 9CFB3B9E
        at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
        at java.io.ObjectInputStream.<init>(Unknown Source)
        at com.stabbedbit.minecraftRemoteAdmin.desktop.connection.ConnectionMana
ger.run(ConnectionManager.java:99)
        at java.lang.Thread.run(Unknown Source)