java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState

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锁屏状态下按返回键唤醒屏幕，偶尔会引发这个错误，一直未解决，不知道是什么原因

java.lang.IllegalStateException: Can not perform this action after onSaveInstanceStateat android.support.v4.app.FragmentManagerImpl.checkStateLoss(FragmentManager.java:1493)at android.support.v4.app.FragmentManagerImpl.popBackStackImmediate(FragmentManager.java:584)at android.support.v4.app.FragmentActivity.onBackPressed(FragmentActivity.java:189)at android.app.Activity.onKeyUp(Activity.java:2202)at android.view.KeyEvent.dispatch(KeyEvent.java:2664)at android.app.Activity.dispatchKeyEvent(Activity.java:2432)at android.support.v7.app.AppCompatActivity.dispatchKeyEvent(AppCompatActivity.java:524)at com.bmz.bmzhan.ui.BaseActivity.dispatchKeyEvent(BaseActivity.java:90)at com.bmz.bmzhan.ui.activity.SortingActivity.dispatchKeyEvent(SortingActivity.java:718)at android.support.v7.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:50)at android.support.v7.app.AppCompatDelegateImplBase$AppCompatWindowCallbackBase.dispatchKeyEvent(AppCompatDelegateImplBase.java:241)at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:1962)at android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:3845)at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3819)at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3392)at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3442)at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3411)at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3518)at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3419)at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3575)at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3392)at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3442)at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3411)at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3419)at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3392)at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3442)at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3411)at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3551)at android.view.ViewRootImpl$ImeInputStage.onFinishedInputEvent(ViewRootImpl.java:3711)at android.view.inputmethod.InputMethodManager$PendingEvent.run(InputMethodManager.java:2010)at android.view.inputmethod.InputMethodManager.invokeFinishedInputEventCallback(InputMethodManager.java:1704)at android.view.inputmethod.InputMethodManager.finishedInputEvent(InputMethodManager.java:1695)at android.view.inputmethod.InputMethodManager$ImeInputEventSender.onInputEventFinished(InputMethodManager.java:1987)at android.view.InputEventSender.dispatchInputEventFinished(InputEventSender.java:141)at android.os.MessageQueue.nativePollOnce(Native Method)at android.os.MessageQueue.next(MessageQueue.java:138)at android.os.Looper.loop(Looper.java:123)at android.app.ActivityThread.main(ActivityThread.java:5095)at java.lang.reflect.Method.invokeNative(Native Method)at java.lang.reflect.Method.invoke(Method.java:515)at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)at dalvik.system.NativeStart.main(Native Method)

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