A specific or particular page on a Plesk domain can not be accessed with:
403 Access denied
The following error can be found under Domains > sub.example.com > Logs:
AH00037: Symbolic link not allowed or link target not accessible: /var/www/vhosts/example.com/sub.example.com/public_html/storage_link
The option Restrict the ability to follow symbolic links in the Domains > sub.example.com > Apache & nginx Settings is disabled.
The ownership of the symbolic link from the log error is incorrect:
# ls -la /var/www/vhosts/example.com/sub.example.com/public_html/storage_link
lrwxrwxrwx 1 root root 62 Mar 24 12:17 storage_link -> /var/www/vhosts/example.com/sub.example.com/storage/app/public
Incorrect ownership to the symbolic link for
Connect to the server via SSH.
Correct the ownership with the the path from the error, where
jdoeis the Domain sysuser. e.g.:
# chown -h jdoe:psacln /var/www/vhosts/example.com/app.example.com/public_html/storage_link