hostgator

Hello, so I have a problem with installing Xenforo on HostGator. I've downloaded xenforo, uploaded it into a map, edited the permissions and started the install procedure, I created a database with a user and well... it won't allow me to continue after the "Configuration Builder" step. I get...

I probably should have asked this BEFORE I purchased the xenforo license, but is Xenforo compatible with HostGator shared accounts? I have my own server thats dedicated to my computer that can be used to upload files, but I have a Shared Account. I hope its compatable as I can't wait to use the...