php mailer does not show errors but emails don't arrive, works like the demo, speak the email was sent but there is nothing, the spam box is also not, any help need this for to start my business, iam tryed everything, I need to configure something for this to work? I tried several emails in the admin account but nothing ever arrives, I made an account in the script demo the same thing happened.
/common/mailer.do.php not work
https://www.mlmscript.net/demo/unimatrix/common/mailer.do.php
[18-Jul-2020 23:06:03 UTC] PHP Warning: require(INSTALL_PATH/assets/fellow/phpmailer/Exception.php): failed to open stream: No such file or directory in /home/cicle/public_html/common/mailer.do.php on line 6 [18-Jul-2020 23:06:03 UTC] PHP Fatal error: require(): Failed opening required 'INSTALL_PATH/assets/fellow/phpmailer/Exception.php' (include_path='.:/opt/alt/php72/usr/share/pear') in /home/cicle/public_html/common/mailer.do.php on line 6

