RangeError (RangeError (index): Invalid value: Not in inclusive range 0..1: 2) flutter when using mo-CodePudding

please what am i doing wrong here. i am trying to have a listview in an expanded panel list and if i rendered just two expanded list the code runs with no error. but if i rendered more than two, and i try to expand any of the other panel list, it returns the following error as RangeError (RangeError (index): Invalid value: Not in inclusive range 0..1: 2.

bellow is my code sample. thank you all.

                        ExpansionPanelList(
                          children: [
                            ExpansionPanel(
                              isExpanded: _isOpen[0],
                              headerBuilder: (context, isOpen) {
                                return Row(
                                  children: [
                                    SizedBox(width: 10.w),
                                    Center(
                                      child: Text(
                                        "Ball Games ⚽