The site shows Apache default page:
The following error appears when opening a website:
403 Forbidden by nginx
The output of the following command is empty:
# ls -l /var/www/vhosts/example.com/httpdocs/ | grep index
There is no index file in the Document Root of the domain, or the expected file has a typo in the name.
Go to Domains > example.com > File Manager and check if there is an index file of the website.
Create index file in the document root directory with required content or specify custom index file under Domains > example.com > example.com > Apache & nginx Settings > Common Apache settings > Index files for the existing one to be recognized:
Alternatively, specify the document root under Domains > example.com > Hosting Settings to point to the directory that contains the index file.