Warning: require_once(PEAR.php): Failed to open stream: No such file or directory in /var/www/html/orian-wiki/vendor/pear/net_smtp/Net/SMTP.php on line 39

Fatal error: Uncaught Error: Failed opening required 'PEAR.php' (include_path='.:') in /var/www/html/orian-wiki/vendor/pear/net_smtp/Net/SMTP.php:39 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/vendor/pear/net_smtp/Net/SMTP.php on line 39