Symptoms

• Attempt to view web user's webpage returns the following error:
  

  Forbidden
  
  You do not have permission to access this document.
  Web Server at example.com

• The web user is created under Plesk > Domains > example.com > Web Users
• Web user's directory is empty:

# ls -l /var/www/vhosts/example.com/web_users/plesktest/
total 0 

The same could be found on the screenshot:

Cause

Webserver (nginx/apache) is trying to access the web user's directory. As there is no index file inside, webserver returns Forbidden error.

Resolution

Create index file inside the directory, or upload a user's webpage through FTP as it is mentioned in our documentation .

OR

Add the following directives under Plesk > Websites and Domains > Apache & nginx Settings > Additional directives for HTTP :

 <Directory /var/www/vhosts/%website name%/web_users/%web user name%/>
 Options +Indexes
</Directory>

In order to allow directory listing (view all files in the directory) for user's folder.