Unexpected Application Error!

Unable to preload CSS for /app-assets/css/index-b6446a2e.css

Error: Unable to preload CSS for /app-assets/css/index-b6446a2e.css
    at HTMLLinkElement.<anonymous> (https://app.immersivetranslate.com/app-assets/js/entry-index-558c16a6.js:1:1907)