Error 524

Hi,

When I’m not logged in and search for example: fast, it return the products, when I search for whey it returns, but when I’m Logged in, and tried to search the same words, in the first (fast) the plugin show me the suggestions, but the secound, the plugin return in the console a error 524.
I use the wp-rocket.

The page I need help with: [log in to see the link]