Preparation of a new library b4a call error what will the next issue

LogCat connected to: W650
--------- beginning of /dev/log/system


--------- beginning of /dev/log/main


main_process_globals (java line: 267)


java.lang.NoClassDefFoundError: sb.b4a.lib.themlib
at b4a.example.main._process_globals(main.java:267)
at b4a.example.main.initializeProcessGlobals(main.java:247)
at b4a.example.main.afterFirstLayout(main.java:80)
at b4a.example.main.access$100(main.java:16)
at b4a.example.main$WaitForLayout.run(main.java:72)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:130)
at android.app.ActivityThread.main(ActivityThread.java:3683)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:875)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:633)
at dalvik.system.NativeStart.main(Native Method)