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-Rn4pm893.js:2275:23322)
    at HTMLLinkElement.nrWrapper (https://www.theathletesfoot.co.nz/hoka-clifton-9-mens-midnight-oceanic.html?srsltid=AfmBOoqgolKGTmzeyhAAx1Yu-iYmWAfOweGzlAY0IrTtVRZwP3tJ_enm:1263:46)