Fatal error: Uncaught Error: Call to undefined function PHPMailer\PHPMailer\mail() in /home/bartinya/public_html/include/phpmailer/PHPMailer.php:874 Stack trace: #0 /home/bartinya/public_html/include/phpmailer/PHPMailer.php(1959): PHPMailer\PHPMailer\PHPMailer->mailPassthru() #1 /home/bartinya/public_html/include/phpmailer/PHPMailer.php(1680): PHPMailer\PHPMailer\PHPMailer->mailSend() #2 /home/bartinya/public_html/include/phpmailer/PHPMailer.php(1516): PHPMailer\PHPMailer\PHPMailer->postSend() #3 /home/bartinya/public_html/include/functions_mail.inc.php(920): PHPMailer\PHPMailer\PHPMailer->send() #4 /home/bartinya/public_html/include/functions_mail.inc.php(478): pwg_mail() #5 /home/bartinya/public_html/admin/include/updates.class.php(246): pwg_mail_admins() #6 /home/bartinya/public_html/include/page_tail.php(51): updates->notify_piwigo_new_versions() #7 /home/bartinya/public_html/register.php(143): include('/home/bartinya/...') #8 {main} thrown in /home/bartinya/public_html/include/phpmailer/PHPMailer.php on line 874