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5-02 10:18:04.884  6151  6151 E AndroidRuntime: Process: com.huawei.hwid.container2, PID: 6151
05-02 10:18:04.884  6151  6151 E AndroidRuntime: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.huawei.hwid/com.huawei.hms.runtimekit.stubexplicit.HwIDStartUpGuideLoginActivity}: java.lang.NullPointerException: Attempt to invoke virtual method ´java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String)´ on a null object reference
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4613)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4809)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:118)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:153)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:104)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3070)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.os.Handler.dispatchMessage(Handler.java:117)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.os.Looper.loopOnce(Looper.java:210)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.os.Looper.loop(Looper.java:302)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.app.ActivityThread.main(ActivityThread.java:9655)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at java.lang.reflect.Method.invoke(Native Method)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:601)
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1062)
05-02 10:18:04.884  6151  6151 E AndroidRuntime: Caused by: java.lang.NullPointerException: Attempt to invoke virtual method ´java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String)´ on a null object reference
05-02 10:18:04.884  6151  6151 E AndroidRuntime:  at android.app.Fragment.instantiate(Fragment.java:546)