Fatal error: Uncaught Error: Undefined constant "MAIL_FROM" in /usr/home/mw2paycw4v/www/htdocs/sp/highschool/functions/functions.php:5 Stack trace: #0 /usr/home/mw2paycw4v/www/htdocs/sp/highschool/contents08.php(10): include() #1 {main} thrown in /usr/home/mw2paycw4v/www/htdocs/sp/highschool/functions/functions.php on line 5