Unexpected Application Error!

Unable to preload CSS for /assets/index-JtPO44df.css

Error: Unable to preload CSS for /assets/index-JtPO44df.css
    at HTMLLinkElement.<anonymous> (https://www.theathletesfoot.co.nz/assets/index--uTRFSZa.js:2278:23322)
    at HTMLLinkElement.nrWrapper (https://www.theathletesfoot.co.nz/blog/?p=2&srsltid=AfmBOoroj9kCPRIwTyrpx0bYYNkfqvppvJWMAxyCQH5nVl1Uk4IV0Koy:1260:46)