My FaceTime is not working on my MacBook pro 13" Mid 2012 but it works perfectly on my iPhone 7
I have a Macbook pro 13" mid 2012. I made a new account for Apple ID. I logged into my FaceTime on my iPhone with that ID and it works fine but whenever I try to log in to my FaceTime or iMessage in MacBook, it says activation error but my iPhone does not says that error. I have tried restarting my MacBook couple of times. Please reply. Thank you in Advance.
MacBook Pro, macOS High Sierra (10.13.1), null