Warning: require_once(Mail.php): failed to open stream: No such file or directory in /home/willowsc/docs.willows-consulting.com/seeddms-5.1.12/inc/inc.ClassEmailNotify.php on line 20

Fatal error: require_once(): Failed opening required 'Mail.php' (include_path='/home/willowsc/docs.willows-consulting.com/seeddms-5.1.12/:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/auth_sasl:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/console_getopt:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/db:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/log:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/mail:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/mail_mime:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/net_smtp:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/net_socket:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/pear-core-minimal/src:/home/willowsc/docs.willows-consulting.com/pear/vendor/pear/pear_exception::.:/opt/cpanel/ea-php56/root/usr/share/pear') in /home/willowsc/docs.willows-consulting.com/seeddms-5.1.12/inc/inc.ClassEmailNotify.php on line 20