Null check operator used on a null value

[jumper423]

Non-fatal Exception: io.flutter.plugins.firebase.crashlytics.FlutterError: Null check operator used on a null value. Error thrown Instance of 'ErrorDescription'.
at State.context(State.java:916)
at DefaultLoadMoreViewState.notify(DefaultLoadMoreViewState.java:336)

Some users get this error. The reason for its occurrence is not clear to me.

[Kerolos9008]

happens with me as well