Error when using some filters "The request to your server either failed"

[ed.sparks]

Slightly different but works for all of our current ‘ALLOWED_REQUST_ORIGINS’.

I saw someone posted this as a similar CORS fix. Is this what I need?

Authentication error - Blocked by CORS policy

I managed to find the issue, maybe this is something to add in the docs for people on Rails with a CORS config. I had to add the following in my config: # config/initializers/cors.rb Rails.application.config.middleware.insert_before 0, Rack::Cors do allow do # my original config, this can stay there end # Used for Forest Admin allow do origins 'https://app.forestadmin.com' resource '/forest/*', headers: :any, methods: [:get, :post, :put, :patch, :delete, :opt…