Null check operator used on a null value

[fly-qp]

Running with Flutter 3.10.2 stable

Null check operator used on a null value at State.setState(framework.dart:1159)  
at ScratcherState.reset.<fn>(widgets.dart:322)

[mayankzentirx-code]

Null check operator used on a null value at State.setState(framework.dart:1159)
at ScratcherState.reset.(widgets.dart:322)

in android 16 this error come