Всем привет тру .

Дайте внятный ответ ,как по фиксить эту error...

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08-25 04:03:35.145 2276-2276/? E/AndroidRuntime: FATAL EXCEPTION: main
                                                 Process: com.android.tencent.zdevs.bah, PID: 2276
                                                 java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.android.tencent.zdevs.bah/com.android.tencent.zdevs.bah.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.android.tencent.zdevs.bah.MainActivity" on path: DexPathList[[zip file "/data/app/com.android.tencent.zdevs.bah-2/base.apk"],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]
                                                     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2236)
                                                     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
                                                     at android.app.ActivityThread.access$800(ActivityThread.java:151)
                                                     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
                                                     at android.os.Handler.dispatchMessage(Handler.java:102)
                                                     at android.os.Looper.loop(Looper.java:135)
                                                     at android.app.ActivityThread.main(ActivityThread.java:5254)
                                                     at java.lang.reflect.Method.invoke(Native Method)
                                                     at java.lang.reflect.Method.invoke(Method.java:372)
                                                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
                                                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
                                                  Caused by: java.lang.ClassNotFoundException: Didn't find class "com.android.tencent.zdevs.bah.MainActivity" on path: DexPathList[[zip file "/data/app/com.android.tencent.zdevs.bah-2/base.apk"],nativeLibraryDirectories=[/vendor/lib64, /system/lib64]]
                                                     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
                                                     at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
                                                     at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
                                                     at android.app.Instrumentation.newActivity(Instrumentation.java:1066)
                                                     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2226)
                                                     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
                                                     at android.app.ActivityThread.access$800(ActivityThread.java:151)
                                                     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
                                                     at android.os.Handler.dispatchMessage(Handler.java:102)
                                                     at android.os.Looper.loop(Looper.java:135)
                                                     at android.app.ActivityThread.main(ActivityThread.java:5254)
                                                     at java.lang.reflect.Method.invoke(Native Method)
                                                     at java.lang.reflect.Method.invoke(Method.java:372)
                                                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
                                                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
                                                 	Suppressed: java.lang.ClassNotFoundException: com.android.tencent.zdevs.bah.MainActivity
                                                     at java.lang.Class.classForName(Native Method)
                                                     at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
                                                     at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
                                                     at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
                                                     		... 13 more
                                                  Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available