Crashed when back pressed

[dbof10]

1. I pressed Push React Native. It shown nothing. then I chose Present React Native. It showed up as screenshot below.

Then I pressed back. It crashed with log

                                                 java.lang.IllegalStateException: Trying to set a replacement startPostponedEnterTransition on ReactNativeFragment{9095d17 #21 id=0x7f0e007e}
                                                     at android.support.v4.app.Fragment.setOnStartEnterTransitionListener(Fragment.java:2466)
                                                     at android.support.v4.app.BackStackRecord.setOnStartPostponedListener(BackStackRecord.java:901)
                                                     at android.support.v4.app.FragmentManagerImpl.postponePostponableTransactions(FragmentManager.java:2229)
                                                     at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2152)
                                                     at android.support.v4.app.FragmentManagerImpl.optimizeAndExecuteOps(FragmentManager.java:2104)
                                                     at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2008)
                                                     at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:710)
                                                     at android.os.Handler.handleCallback(Handler.java:751)
                                                     at android.os.Handler.dispatchMessage(Handler.java:95)
                                                     at android.os.Looper.loop(Looper.java:154)
                                                     at android.app.ActivityThread.main(ActivityThread.java:6077)
                                                     at java.lang.reflect.Method.invoke(Native Method)
                                                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
                                                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)

Running on android N