Warning: require_once(config-nisshi.php): failed to open stream: No such file or directory in /home/itcommon01/it-common.jp/public_html/demo_site/nisshi/index.php on line 3

Fatal error: require_once(): Failed opening required 'config-nisshi.php' (include_path='.:/opt/php-7.4.33-2/data/pear') in /home/itcommon01/it-common.jp/public_html/demo_site/nisshi/index.php on line 3