Warning: require(Net/SMTP.php): Failed to open stream: No such file or directory in /var/www/html/orian-wiki/vendor/pear/net_smtp/examples/basic.php on line 3

Fatal error: Uncaught Error: Failed opening required 'Net/SMTP.php' (include_path='.:') in /var/www/html/orian-wiki/vendor/pear/net_smtp/examples/basic.php:3 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/vendor/pear/net_smtp/examples/basic.php on line 3