type 'List<Offset?>' is not a subtype of type 'List<Offset>' in type cast _CircleWavePainter.paint (package:animated_counter/circle_wave_counter.dart:143:45)
type 'List<Offset?>' is not a subtype of type 'List' in type cast
_CircleWavePainter.paint (package:animated_counter/circle_wave_counter.dart:143:45)