People here are volunteering to help you. They will respond when they want and can. “bumping” your request can be considered rude.
Please do not posts images. If you post the messages as text, they can be found by the search-engine and helping others who might be looking for the same or similar messages.
Having said that, the error is crystal clear: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm) found.
You need to have such a file in your website.
This is not an error of hestia, it is a message from apache. Also have a look at Please read this, before you start!