[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: 'package:one_context/src/controllers/navigator_controller.mixin.dart': Failed assertion: line 42 pos 9: '_key != null': Navigator key not found! MaterialApp.navigatorKey is null or not set correctly. about one_context HOT 1 CLOSED

Used SchedulerBinding to solve the issue

SchedulerBinding.instance.addPostFrameCallback((_) {
// your code after page opens,splash keeps open until work is done
});

from one_context.