Android Asmack (XMPP) ConnectionConfiguration Error

FATAL EXCEPTION: main
java.lang.IllegalStateException: Could not execute method of the activity
android.view.View$1.onClick(View.java:3591)
android.view.View.performClick(View.java:4084)
android.view.View$PerformClick.run(View.java:16966)
android.os.Handler.handleCallback(Handler.java:615)
android.os.Handler.dispatchMessage(Handler.java:92)
android.os.Looper.loop(Looper.java:137)
android.app.ActivityThread.main(ActivityThread.java:4745)
java.lang.reflect.Method.invokeNative(Native Method)
java.lang.reflect.Method.invoke(Method.java:511)
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.reflect.InvocationTargetException
java.lang.reflect.Method.invokeNative(Native Method)
java.lang.reflect.Method.invoke(Method.java:511)
android.view.View$1.onClick(View.java:3586)
... 11 more
Caused by: java.lang.NoClassDefFoundError: org.jivesoftware.smack.ConnectionConfiguration
com.callchat.Chat.DCXMPPConnection.ConnectionInfo(DCXMPPConnection.java:54)
com.callchat.Activitys.MainActivity.Start2(MainActivity.java:46)
... 14 more

	String Host = "192.168.3.145";
	int Port = 5222;
	ConnectionConfiguration ConConfig = new ConnectionConfiguration(Host, Port, Host);