App is just crashing

Describe the bug in detail…

When I rebuild the previously built application after installation the app just getting closed.

The app is still working with the previous apk .

Note : I have not added any new component…

@Tanmay_Barman Share the apk

The apk is working in bluestacks emulator but not in my phone

please tell us your android version along with what extensions are you using?

I think use are using two firebase core component. Or u are using firebase core component in two or more screen. If you are using then use only in one screen