Showing a error

[RizanPSTU]

Scaffold( body: Stack( children: <Widget>[ BackgroundImageInContainer(), Align( child: Container( // color: Colors.cyan, height: getPercentSize(70, true, context), child: Carousel( images: [ intro1(context), intro2(context), intro3(context), intro4(context), ], dotSize: 4.0, dotSpacing: 15.0, dotColor: Colors.blueAccent, indicatorBgPadding: 5.0, dotBgColor: Colors.purple.withOpacity(0), borderRadius: false, moveIndicatorFromBottom: 180.0, noRadiusForIndicator: true, animationDuration: Duration(seconds: 2), autoplayDuration: Duration(seconds: 5), animationCurve: Curves.decelerate, ), ), ),

'package:flutter/src/rendering/sliver_fixed_extent_list.dart': Failed assertion: line 276 pos 12: 'firstIndex == 0 || childScrollOffset(firstChild) - scrollOffset <= precisionErrorTolerance': is not true.