drupal安装提示如下错误，如何解决？

Warning: require_once(): URL using bad/illegal format or missing URL in /home1/vhost/vh586409/www/includes/bootstrap.inc on line 2319 Warning: require_once(/home1/vhost/vh586409/www/includes/errors.inc): failed to open stream: operation failed in /home1/vhost/vh586409/www/includes/bootstrap.inc on line 2319 Fatal error: require_once(): Failed opening required '/home1/vhost/vh586409/www/includes/errors.inc' (include_path='.:') in /home1/vhost/vh586409/www/includes/bootstrap.inc on line 2319