if (!mounted) return;

  Navigator.push(

      context,

      PageTransition(

          type: PageTransitionType.rightToLeft,

          child: const ResetEmailScreen()));

// Just add mounted check in async func:

// Add  if (mounted)

if (mounted) Navigator.pushReplacement(context, MaterialPageRoute(builder: (_) => const LoginScreen()));

if (!mounted) return;

        Navigator.push(context,

            CupertinoPageRoute(builder: (context) => const SignUpScreen()));

if(context.mounted){

    Navigator.push(context, MaterialPageRoute(builder: (context)=> const Dashboard()));

}

​