I am new to Ruby on Rails and trying to set up a super simple database.
I am getting a
ActionController::UnknownFormat in ProfilesController#index
ProfilesController#index is missing a template for this request format and variant. request.formats: ["text/html"] request.variant:  NOTE! For XHR/Ajax or API requests, this action would normally respond with 204 No Content: an empty white screen. Since you're loading it in a web browser, we assume that you expected to actually render a template, not… nothing, so we're showing an error to be extra-clear. If you expect 204 No Content, carry on. That's what you'll get from an XHR or API request. Give it a shot.
class ProfilesController < ApplicationController
@profiles = Eprofiles.all
# For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
get 'welcome', to: 'pages#home'
get 'profiles', to: 'profiles#index'
class Eprofiles < ApplicationRecord
The error is self explanatory
ProfilesController#index is missing a template for this request format and variant. request.formats: ["text/html"]
This means you don't have file