Google assistant "access with voice match" greyed out

[Nicklnq]

Hello guys,
  As shown above, it is greyed out, and I have tried going through the voice settings for several times, and it always ended like this.

 Any solution?

Btw, it is a note 9

[Nicklnq]

not working. it looks like my phone is not on the available device list. could this be the problem?

[Nicklnq]

followed exact settings as yours. still not worked. but thanks for your advices

[Nicklnq]

will try cleaning caches. hope it's gonna work.

[mytech]

I have more 9 and Google listens to everything the nosey bugger ,all up in my biz lol