Federated Experience Manager Loader spins endlessly

When we open the FXM the loader spins endlessly, when opening the dev tools I'm seeing 

 

require.js:166 Uncaught Error: Script error for: /-/speak/v1/FXM/DomainDashboard.js requirejs.org/.../errors.html at makeError (require.js:166) at HTMLScriptElement.onScriptError (require.js:1681)
  makeError @ require.js:166
  onScriptError @ require.js:1681

 

 

The network tab headers are showing

  1. Request URL:
  2. Request Method:
    GET
  3. Status Code:
    404 Not Found
  4. Remote Address:
    127.0.0.1:8888
  5. Referrer Policy:
    no-referrer-when-downgrade