Beyond the Hive could not start

The website files loaded, but one part of the app produced this error:

Unable to preload CSS for https://nectar-fusions.com/assets/BeyondTheHivePage-BQLj85gM.css

Technical details

Error: Unable to preload CSS for https://nectar-fusions.com/assets/BeyondTheHivePage-BQLj85gM.css
    at HTMLLinkElement.<anonymous> (https://nectar-fusions.com/assets/index-nUF3OEi1.js:10:37822)