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/under-armour-project-rock-recruit-mens-black-white-mod-gray.html?bvstate=pg%3A2%2Fct%3Ar&srsltid=AfmBOop3q0GGNK5puap5kzIrP9pr0P7GTprURuY-osnUIyzbty3V8aCV:1260:46)