Nehal1367

syncfusion_flutter_calendar: ^20.1.58 Build Failed

3

/D:/Software/flutter/.pub-cache/hosted/pub.dartlang.org/syncfusion_flutter_calendar-20.1.58/lib/src/calendar/sfcalendar.dart:2867:31: Error: Method 'addPostFrameCallback' cannot be called on 'WidgetsBinding?' because it is potentially null. - 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('/D:/Software/flutter/packages/flutter/lib/src/widgets/binding.dart'). Try calling using ?. instead. WidgetsBinding.instance.addPostFrameCallback((Duration timeStamp) { ^^^^^^^^^^^^^^^^^^^^ /D:/Software/flutter/.pub-cache/hosted/pub.dartlang.org/syncfusion_flutter_calendar-20.1.58/lib/src/calendar/sfcalendar.dart:4157:35:...