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//shop/footwear/hiking-and-trail-shoes?p=3&srsltid=AfmBOopqsBsA3xqhGfIrDXD-RmG9dS6th7NfUV-yKrZhjrXoD2Ubh1fr:1263:46)