what if i gave my phone to someone and they can’t make new apple id

If your friend is getting the message that the maximum number of free iCloud accounts have been created on that device, they will need to create the account on a different device.

How to create a new Apple ID - Apple Support

You will need to follow all of these steps before giving away your phone.

What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support