- If an SSL certificate has been changed, it is not returned by the web server, and the old one is used instead.
New domains and subscriptions return Plesk Default Page.
- The cloned website shows 404 error on most content
If an IP address has been added recently, domains assigned to it return the following error:
plesk repair web example.comcommand fails with the following error:
# plesk repair web example.com
– httpdmng failed: [2018-12-04 12:33:44.242] ERR [util_exec] proc_close() failed [‘/usr/local/psa/admin/bin/nginx_control’ ‘–restart’] with exit code 
Can not reload proxy server:
Error messages: 0; Warnings: 0; Errors resolved: 0
exit status 1
nginx service status is reported as follows:
# service nginx status
nginx dead but pid file exists
Stuck nginx process cannot receive a reload signal from Plesk.
Connect to the server via SSH.
Kill all nginx processes:
# killall nginx
Start nginx back:
# service nginx start