dartKnightRises

Facing issue with new Flutter upgrade.

4

**This is not letting me build the project.** /D:/Development/SDK/Flutter/flutter/.pub-cache/hosted/pub.dartlang.org/syncfusion_flutter_charts-20.1.56/lib/src/chart/base/chart_base.dart:1820:35: Error: Method 'addPostFrameCallback' cannot be called on 'SchedulerBinding?' because it is potentially null. - 'SchedulerBinding' is from 'package:flutter/src/scheduler/binding.dart' ('/D:/Development/SDK/Flutter/flutter/packages/flutter/lib/src/scheduler/binding.dart'). Try calling...