Family Link problem with Google and Apple Mail

This project is those who have a Mac computer. I created a new gmail (email) address for my newborn daugher. And somehow, automatically, it's now managed by Family Link. When go to Apple Mail on my MacBook Pro to add this new account, it give me this message: Accounts managed by Family Link are not allowed to sign in here. I need your help to figure this out. I don't need this Family Link. I would like to have it removed. Or at least find a way for me to add this new email address to use inside of Apple Mail. Before submitting a bid, please create a new email address with Date Of Birth of any date in 2020. Then try to add it into Apple Mail on your computer. You will get the same, message. Try to figure it out, and place a bid only after you have a solution. Send me a message "I figured it out" with screenshots and proof.