Cannot read properties of null (reading 'cameraPriority')

Cocos Creator
#1

@slackmoehrle @jare @mmyduckx I am getting an error:
Error occurs in an event listener: mouse-move
_emitEvent @ input.ts:298
_dispatchOrPushEvent @ input.ts:385
(anonymous) @ input.ts:324
emit @ callbacks-invoker.ts:346
(anonymous) @ mouse-input.ts:171
input.ts:299 TypeError: Cannot read properties of null (reading ‘cameraPriority’)
at PointerEventDispatcher._sortPointerEventProcessorList (pointer-event-dispatcher.ts:189:69)
at PointerEventDispatcher.dispatchEventMouse (pointer-event-dispatcher.ts:97:14)
at PointerEventDispatcher.dispatchEvent (pointer-event-dispatcher.ts:68:25)
at Input._emitEvent (input.ts:294:33)
at Input._dispatchOrPushEvent (input.ts:385:18)
at input.ts:324:22
at Eventified.emit (callbacks-invoker.ts:346:25)
at HTMLCanvasElement. (mouse-input.ts:171:31)

Steps:
Added sphere.
Attached the script to rotate on sphere.

import { _decorator, Component, EventMouse, EventTouch, Node, Quat } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('RotateOnDrag')
export class RotateOnDrag extends Component {
    private _rotating: boolean = false;
    private _lastX: number = 0;

    start() {
        this.node.on(Node.EventType.TOUCH_START, this.onTouchStart, this);
        this.node.on(Node.EventType.TOUCH_MOVE, this.onTouchMove, this);
        this.node.on(Node.EventType.TOUCH_END, this.onTouchEnd, this);
        this.node.on(Node.EventType.MOUSE_DOWN, this.onMouseDown, this);
        this.node.on(Node.EventType.MOUSE_MOVE, this.onMouseMove, this);
        this.node.on(Node.EventType.MOUSE_UP, this.onMouseUp, this);
    }

    // Touch event handlers
    onTouchStart(event: EventTouch) {
        this._startRotate(event.getLocationX());
    }

    onTouchMove(event: EventTouch) {
        this._rotate(event.getLocationX());
    }

    onTouchEnd(event: EventTouch) {
        this._stopRotate();
    }

    // Mouse event handlers
    onMouseDown(event: EventMouse) {
        this._startRotate(event.getLocationX());
    }

    onMouseMove(event: EventMouse) {
        this._rotate(event.getLocationX());
    }

    onMouseUp(event: EventMouse) {
        this._stopRotate();
    }

    private _startRotate(x: number) {
        this._rotating = true;
        this._lastX = x;
    }

    private _rotate(x: number) {
        if (this._rotating) {
            let deltaX = x - this._lastX;
            let deltaRotationQuaternion = new Quat();
            Quat.fromEuler(deltaRotationQuaternion, 0, deltaX * 0.5, 0);
            this.node.rotation = Quat.multiply(new Quat(), this.node.rotation, deltaRotationQuaternion);
            this._lastX = x;
        }
    }

    private _stopRotate() {
        this._rotating = false;
    }
}

play on browser.

#2

Node event only support UI nodes inside a Canvas, check whether you are attaching the Component to a 3d space node

https://docs.cocos.com/creator/manual/en/engine/event/event-node.html