_CastError – Null check operator used on a null value

Issue I get this error when I run my flutter App. I’ve not been able to figure out why this error keeps occurring. Error: ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════ The following _CastError was thrown building RawGestureDetector-[LabeledGlobalKey#3c378](state: RawGestureDetectorState#d987a(gestures: ,

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