I am trying to add a new screen in my flutter app however if the navigation bar has more than three destinations I get this error:

package:flutter/src/material/navigation_bar.dart': Failed assertion: line 117 pos 15: '0 <= selectedIndex && selectedIndex < destinations.length': is not true.

I have a temporary fix by just modifying the navigation.dart file of flutter but when it comes to production that may not be good.

is there anything else I could do?

here is my code for reference:

 return Scaffold(
      backgroundColor: Palette.backgroundColor,
      bottomNavigationBar: NavigationBar(
          height: MediaQuery.of(context).size.width * 0.18,
          onDestinationSelected: (int index) {
            setState(() {
              currentPageIndex = index;
            });
          },
          backgroundColor: Colors.white,
          indicatorColor: Palette.iconBackground,
          selectedIndex: currentPageIndex,
          destinations: <Widget>[
            NavigationDestination(
              // home
              selectedIcon: Icon(Icons.home),
              icon: Icon(Icons.home_outlined),
              label: 'Home',
            ),
            //  paymemts/notifications
            NavigationDestination(
              selectedIcon: Icon(Icons.payments),
              icon: Icon(Icons.payments_outlined),
              label: 'Payments',
            ),
            NavigationDestination(
              selectedIcon: Icon(Icons.payments),
              icon: Icon(Icons.payments_outlined),
              label: 'test',
            ),
            // profile
            NavigationDestination(
              selectedIcon: Icon(Icons.person),
              icon: Icon(Icons.person_outline),
              label: 'Profile',
            )
          ]),
      //body to store outstanding balance and sis nav cards
      body: IndexedStack(
        index: currentPageIndex,
        children: [
          DashboardScreen(
            name: GetProfileData.displayName(name),
            email: email,
          ),
          const NotifPage(),
          const ComingSoonPage(),
          const ProfileScreen(),
        ],
      ),
    );