511565 WordPress Fix For One of My Sites

I have created an error in one of my WP sites and now I cannot get the site to show up. So I went and deleted everything I thought I needed to and now I cannot reinstall wordpress as I get and error stating only 1 script allowed in the root. It was a brand new site and no content was on it yet. All I need is to clean up whatever I messed up in the file manager and get WP reinstalled with my theme file to the point that I can login and see the dashboard with the template loaded. Then, I will then start to populate the site. I will provide the files and access information upon selecting a bid. Please ask any questions. I believe this to be a fairly easy fix if you know how to work with the files and scripts. I use HostGator with Cpanel for my hosting.