java.lang.ClassNotFoundException: client
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at org.dreambot.core.1.3.7(3.java:240)
        at org.dreambot.core.1.3.0a(3.java:166)
        at org.dreambot.core.1.6.1(6.java:124)
        at org.dreambot.core.Instance.run(Instance.java:139)
        at java.lang.Thread.run(Unknown Source)
Exception in thread "Thread-9" java.lang.NullPointerException
        at org.dreambot.core.1.3.0a(3.java:167)
        at org.dreambot.core.1.6.1(6.java:124)
        at org.dreambot.core.Instance.run(Instance.java:139)
        at java.lang.Thread.run(Unknown Source)