Warning: require_once(/var/www/html/LocalSettings.php): Failed to open stream: No such file or directory in /var/www/html/includes/Setup.php on line 212

Fatal error: Uncaught Error: Failed opening required '/var/www/html/LocalSettings.php' (include_path='/var/www/html/vendor/pear/console_getopt:/var/www/html/vendor/pear/mail:/var/www/html/vendor/pear/mail_mime:/var/www/html/vendor/pear/net_smtp:/var/www/html/vendor/pear/net_socket:/var/www/html/vendor/pear/net_url2:/var/www/html/vendor/pear/pear-core-minimal/src:/var/www/html/vendor/pear/pear_exception:.:/usr/local/lib/php') in /var/www/html/includes/Setup.php:212 Stack trace: #0 /var/www/html/includes/WebStart.php(92): require_once() #1 /var/www/html/index.php(44): require('/var/www/html/i...') #2 {main} thrown in /var/www/html/includes/Setup.php on line 212