Getting "502 Bad Gateway" after Ansible Tower 3.1.4 Install

Ansible Tower installed on CentOs 7 minimal installed server. Install completed with 0 errors but nginx generates 502 error when trying to access new Ansible Tower configuration.
Any ideas on fix?

For tower questions and support please utilize https://access.redhat.com/products/ansible-tower-red-hat

This mailing list is for the open source Ansible project.