Warning: require_once(/opt/lampp/htdocs/sites/includes/bootstrap.inc): failed to open stream: No such file or directory in /opt/lampp/htdocs/sites/index.php on line 19

Fatal error: require_once(): Failed opening required '/opt/lampp/htdocs/sites/includes/bootstrap.inc' (include_path='.:/opt/lampp/lib/php') in /opt/lampp/htdocs/sites/index.php on line 19