Fastest cache just crushed my site

/wp-content/plugins/wp-fastest-cache/
/wp-content/cache/all//

You can remove the folders. If the problem is about login, please take a look at the following tutorial.

https://www.wpfastestcache.com/tutorial/login-problem/

thanks! i restored it.

you are welcome but if you contact me via email, we can investigate the problem: https://www.wpfastestcache.com/contact-us/