I have Problem In Plugin It's Doesn't Work Properly

https://www.webguidingsystem.com/web-guiding-system/ This’s My Web Site u can Show This error Clearly Plz Help as soon as possible #Nextendweb

Hi @mitulajjar

Your problem seems to be that our cache files are returning a 404 error, probably because they don’t exist. Have you cleared your menu’s cache when your site went live? You can do it at the WordPress menu: Settings -> Nextend settings -> Clear cache or by simply saving on your menu.

Thanx For U r help It’s Solve Now