Code Inspection: 'null' is not compatible with parameter's declared type Last modified: 16 May 2022 Configure inspections: Settings | Editor | InspectionsShow intention actions: AltEnter Reports the variables that are initialised via passing them by reference to a parameter incompatible with null. Suppress an inspection in the editor Place the caret at the highlighted line and press AltEnter or click .Click the arrow next to the inspection you want to suppress and select the necessary suppress action.