title: [ERROR: '!navigator._debugLocked': is not true.]
body: <p>[ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: 'package:flutter/src/widgets/navigator.dart': Failed assertion: line 2845 pos 18: '!navigator._debugLocked': is not true.</p>
  <p>That bug when run my app. I'm not fix. I try below code but not working</p>
  <pre><code>Future.delayed(Duration.zero, () {
                          Navigator.pushReplacement(context, PageTransition(
                            type: PageTransitionType.leftToRight,
                            child: HomeScreen(),
                          ));
  
                        });
  </code></pre>