Warning: require_once(DB.php): failed to open stream: No such file or directory in /home3/rpic5116/public_html/it/vars.php on line 3

Fatal error: require_once(): Failed opening required 'DB.php' (include_path='.:/opt/alt/php73/usr/share/pear') in /home3/rpic5116/public_html/it/vars.php on line 3