solved DirectoryIndex not allowed here

        ServerName tree.site.ru
        ServerAlias www.tree.site.ru
        ServerAdmin dima@site.ru
        DocumentRoot /var/www/tree.site.ru

AssignUserID www-data www-data
php_admin_flag safe_mode on
php_admin_flag safe_mode_gid on
php_admin_value open_basedir /var/www/tree.site.ru:/tmp:/usr/bin/stat:/usr/bin/curl:/usr/share/php:/usr/share/pear:/usr/share/javascript:/usr/share/apache

        
                Options +Indexes -FollowSymLinks -MultiViews -SymLinksIfOwnerMatch
                AllowOverride All
                Order allow,deny
                Allow from all
                Allowoverride FileInfo
        

        ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/

        
                AllowOverride None
                Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
                Order allow,deny
                Allow from all
        

        ErrorLog ${APACHE_LOG_DIR}/tree.site_error.log

        # Possible values include: debug, info, notice, warn, error, crit,
        # alert, emerg.
        LogLevel warn

        CustomLog ${APACHE_LOG_DIR}/tree.site_access.log combined

Include /etc/letsencrypt/options-ssl-apache.conf
SSLCertificateFile /etc/letsencrypt/live/tree.site.ru/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/tree.site.ru/privkey.pem

 [core:alert] [pid 10699] [client 79.x.x.x:6059] /var/www/tree.site.ru/.htaccess: DirectoryIndex not allowed here, referer: (Offsite URL Removed) 

DirectoryIndex modules/jrCore/router.php