Hello everyone i am a beginner in Flutter Development, i want to switch pages using the arrow back icon on the ListCompetitionScreen to go to the homeScreen ( this is my default start screen ), but when I opened the application and move to ListCompetitionScreen and then I clicked on the arrow back icon from the ListCompetitionScreen to go to the homeScreen there was an error like this:

in my app I have Sixth screen each screen have one button .when you click the button you navigate to next screen. I want to try when you hit screen button you navigate to third screen and remove fourth,fifth & sixth screen from the navigation stack and after in my navigation stack on three screen first,second & third