App force stop ! But When i test live its work fine

bug

#1

Hello friends please help i have created a quiz app .when test this app live its fine but after build app its not working App Stop.


Above is log in screen and bellow is after log in go to main Screen.But When i test live its wrok fine but after build its stop when i click log in button


#2

#3

I re build the app with fresh block many time.i never post before my homework


#4

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