Call Notification Not Working

[Ca_lvn]

Hi this morning I got a call from someone that was not in my contacts and the Pixel 2 pops up with a notification add to contacts or block spam call, ok cool , so I kept pushing add to contacts and it could not get the notification to work even after the phone call ended and the notification was on the screen it would not work so I had to delete the notification.

Nice thought too bad it didn't work
I guess I should say I'm with Cricket mobile but I think this was a Google Oreo notification never received that one before I had this phone