If the listing indicate obstructed view and you still bought them then that is on you. If the listing did not say it was obstructed view then you need to call Stubhub 866-Stubhub.
We are changing the way you register and sign-in to the StubHub Community. After the switch, you will enter the email address you use to access the community in order to reset your password. You will enter your community username and new password and done!