超级门户主题免费版搜索功能疑问

超级门户主题免费版，使用搜索弹出下面的警告，请版主帮忙分析是怎么回事，咋样消除这些警告，谢谢

Warning: include(/wwwroot/wp-content/themes/superblog/inc/nav.php) [function.include]: failed to open stream: No such file or directory in /wwwroot/wp-content/themes/superblog/search.php on line 7

Warning: include(/wwwroot/wp-content/themes/superblog/inc/meta.php) [function.include]: failed to open stream: No such file or directory in /wwwroot/wp-content/themes/superblog/search.php on line 15

Warning: include() [function.include]: Failed opening ‘/wwwroot/wp-content/themes/superblog/inc/nav.php’ for inclusion (include_path=’.:/usr/local/lib/php’) in /wwwroot/wp-content/themes/superblog/search.php on line 27