Warning: require_once(lib.php): Failed to open stream: No such file or directory in /web/htdocs/www.artico.name/home/soft/cal.php on line 11

Fatal error: Uncaught Error: Failed opening required 'lib.php' (include_path='.:/php8.1/lib/php') in /web/htdocs/www.artico.name/home/soft/cal.php:11 Stack trace: #0 {main} thrown in /web/htdocs/www.artico.name/home/soft/cal.php on line 11