CharacterController's **onControllerTriggerEnter** not working

Cocos Creator
#1

Look at the pictures below. The capsule which has a CharacterController attached to it and a script, should print out a message, when it goes through the Trigger (green). You can see the settings in the pictures. Also the script.

Problem: Trigger does not work.
But when unchecking isTrigger in the inspector and adjusting the code, colliderHit works. I use PhysX as the backend, but Bullet gives the same result.

Would appreciate any help.

image
image857×391 45.2 KB

image
image

protected start(): void {
        this.player = this.node.getComponent(CapsuleCharacterController);
        this.player.on('onControllerTriggerEnter', this.onTriggerEnter, this)
    }

private onTriggerEnter(contact : CharacterControllerContact){
        console.log("Trigger Entered")
    }
#2

SOLVED
In the script of the Trigger (green), I also registered this:

start() {
        let collider = this.node.getComponent(BoxCollider);
        collider.once('onControllerTriggerEnter', this.spawnNextTile, this);
}

public spawnNextTile() {
        console.log("SPAWNED");
}

Cross-registration so to speak!