I can not login to my site on the backend. All I get is no turnstile response. I can not access anything in order to get in. Please help.

Is it still happening? That's going to be a client-side error (browser). It could be that something is affecting the JavaScript on your page or possibly browser extensions that alter the page source (things like ad blockers). Do you by chance have a URL doing it that I'd be able to look at?