App crashes on first time sign in

[liveHarshit]

Logs-

E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.eventyay.attendee, PID: 13591
    java.lang.IllegalStateException: Trying to set a replacement startPostponedEnterTransition on EventsFragment{3e118ee (63ab1043-aa10-440f-9777-6af53f6555e5) id=0x7f0901b2}

Would you like to work on the issue?

yes